My mom went here 30 years ago and there were couches on the porches, she said.
When my mom was here 30 years ago, she said people kept couches on their porches.
My mom was never there and knew nothing about the couches.
Two birds are chirping.
People racing boats.
A woman is with her dog.
The following comes from an interview with the former President.
It's very complex
None of the activities depend on others' completion.