Question:
Pizza hut pizzas are tastier than Papa John pizzas because they give less ingredients and cheeses.

they
Answer:
Papa John
Question:
The US president had a meeting with the Chinese president, where he told him to release political prisoners.

he
Answer:
The US president
Question:
The chef made breakfast for the captain because he was required to.

he
Answer:
The chef
Question:
Amazon's Kindle Fire may surpass Apple's Ipad because they are quite expensive for providing a similar product.

they
Answer:
Apple