Problem: How does the sentence end?

Donald accidentally pierced Michael's skin with an arrow so 
Answer: Michael was taken to the emergency room.

Problem: How does the sentence end?

Cynthia has got a lot of moles on the back and goes see Mary for help, because 
Answer: Mary is a doctor.

Problem: How does the sentence end?

Michael put more effort into their relationship than Jason, because 
Answer: Michael was more invested in its success.

Problem: How does the sentence end?

Kevin was not able to buy the cloth meant for the occasion and Samuel helped him out because 
Answer:
Samuel is generous.