[Q]: How does the sentence end?

Passing a drug screening was going to be difficult for Samantha but not Natalie because 

[A]: Natalie did not smoke a lot of marijuana.


[Q]: How does the sentence end?

Growing up, Dylan always wanted to play the drums but he learned to play guitars instead because the 

[A]: drums were too difficult for him to pick up.


[Q]: How does the sentence end?

On their visit  yesterday Jeffrey said the lack brushing Ian teethe had caused the to become brittle, 

[A]:
Jeffrey is a dentist.