Question:
Jeffrey has recently bought an emu from Brian and needs help, because 

Answer:
Continue the sentence -- Jeffrey knows nothing about emus.


Question:
Samuel knew to recycle aluminum cans but not Logan because 

Answer:
Continue the sentence -- Logan was never in need of extra change.


Question:
The nails that I bought to construct the desks did not work, because the 

Answer:
Continue the sentence -- desks were too strong.


Question:
It was easy to see that Erin but not Sarah was a good waitress because 

Answer:
Continue the sentence -- Sarah received a few tips just once a week.