The boy is bouncing on the red couch.
boy on couch
cat in a hat
A group of women are rollerblading while playing a sport.
If she was interested she could go.
A human leaning
Tenure, fame, and public good--the last three motives, they don't fit as well with the basic assumptions of economics.
The child is inside at the dinner table.
The woman and man are at home playing twister.