Problem: How does the sentence end?

Envy overtook Betty when they looked at Jessica's painting bc 
Answer: Jessica used more pigments in their painting.

Problem: How does the sentence end?

Hunter though breakfast was the most important meal but Derrick did not. 
Answer: Hunter fixed breakfast every day.

Problem: How does the sentence end?

The young boy wanted to put the baseball on the shelf but it kept rolling off because the 
Answer: shelf was crooked.

Problem: How does the sentence end?

Carrie's hair is silver, but Mary has brown hair because 
Answer:
Carrie is an older person.