IN: Which person is they?
Pizza hut pizzas are tastier than Papa John pizzas because they give more ingredients and cheeses.
OUT: Pizza

IN: Which person is he?
Scrooge was moved by the appearance of Timmy since he has an effect on people due to him being crippled and loving.
OUT: Timmy

IN: Which person is they?
Some people proclaimed at the Ontario conventions that we need to colonize planets in the near future since they are places where people can voice these kinds of concerns among like minded people.
OUT: the Ontario conventions

IN: Which person is he?
Joe tried to get Tom to wake up, but he wouldn't.
OUT:
Tom