She did not cheat on the test, for it was not the right thing to do.
I think I will buy the red car, or I will lease the blue one.
I really want to go to work, but I am too sick to drive.
I am counting my calories, yet I really want dessert.
He ran out of money, so he had to stop playing poker.
They got there early, and they got really good seats.
There was no ice cream in the freezer, nor did they have money to go to the store.
Everyone was busy, so I went to the movie alone.
These are few examples that define compound sentence

The boy walked down the road and their parents waved