“What’s the difference between a writer and a park bench?”/“A park bench can support a family.”

A park bench, as several riddles point out, can support a family. Offensive riddles have been cited in print in 2006 and 2008:
 
Q: What is the difference between a Mexican and a park bench?
A: A park bench can support a family of four.
 
Q: What’s the difference between a black guy and a park bench?
A: A park bench can support a family of four.
 
A writer version was posted on Twitter on December 2, 2008:
 
Q: What’s the difference between a writer and a park bench?
A: A park bench can support a whole family.
 
An English major version was posted on Twitter on April 8, 2012:
 
Q: What’s the difference between an English major and a park bench?
A: A park bench can support a family of four.
 
“What’s the difference between a musician and a pizza?”/“A pizza can feed a family of four” is a similar type of riddle.
     
         
Google Groups: alt.politics
What is the difference between a Mexican and a park bench?
Patriot Games
12/20/06
A park bench can support a family of four.
 
Google Groups: Runescape World
Some great jokes
Edxx3 (The 1 who will, god willing, be a Mod someday)
3/4/08
(...)
What’s the difference between a black guy and a park bench?
-A park bench can support a family of four.
 
11 October 2008, Daily Record (Glasgow, Scotland), “This is a game for grinners” by Tam Cowan, pg. 52:
Gratuitous Airdrie Joke of the Week - what’s the difference between an Airdrie fan and a park bench? A park bench can support a family of four.
 
Twitter
Natalie Bunch
@nat_bunch
What’s the difference between a writer and a park bench? A park bench can support a whole family. Thanks for the so-true joke, JB.
4:11 AM - 2 Dec 2008
 
Twitter
Laura
@ZwigZag
What’s the difference between a park bench and a writer? A park bench can support a family.
8:30 PM - 24 Feb 2009
         
Google Books
Ultimate Book of Jokes:
The Essential Collection of More Than 1,500 Jokes
By Scott McNeely  
San Francisco, CA: Chronicle Books
2011
Pg. 199:
Q: What’s the difference between a black man and a park bench?
A: A park bench can support a family of four.
     
Twitter
EnglishMajorProblems
@English_Majors
“What’s the difference between a writer and a park bench?”...“A bench can support a family.” Good one guys. #EnglishMajorProblems
5:12 PM - 1 Feb 2012
   
Twitter
laur ☀️
@thWhorseyBeaver
what’s the difference between an english major and a park bench? a park bench can support a family of four. mather
1:41 PM - 8 Apr 2012
   
Twitter
Michael Lewis
@mlewis161
What’s the difference between a park bench and an English major? The bench can support a family of four…
1:01 PM - 15 Dec 2012
 
2 February 2013, The Southland Times (Invercargill, New Zealand), “The balls are in Jones’ court” by Lauren Hayes, pg. A3:
“My favourite joke is what’s the difference between a juggler and a park bench? . . . A park bench can support a family of four.”
   
Google Books
The Enlightened College Applicant:
A New Approach to the Search and Admissions Process
By Andrew Belasco and Dave Bergman
Lanham, MD: Rowman & Littlefield
2016
Pg. 17:
Q: “What’s the difference between an English major and a park bench?”
A: “The park bench can support a family of four . . . hardy har har.”
 
Reddit—Jokes
What’s the difference between an English teacher and a park bench.
submitted June 28, 2017 by oasdv
A park bench can support a family of four.
 
Reddit—Jokes
What’s the difference between an art student and a park bench?
submitted April 16, 2018 by mtrld
A bench can support a family.