 "The mathematician thought of such an idea," Sersa Garm said sourly.
The idea was thought up by a mathematician.
The idea was thought up by a little old lady in Leningrad.
The man sat on the blue blanket.
The separate Vatican state was put in place after the Lateran Treaty was finalized.
The woman is in the house making peanut butter sandwiches.
There are people watching TV
A man is doing work.
A person rides a bike.