Problem: How does the sentence end?

She preferred curating a relationship on the computer instead of the phone, because the 
Answer: phone connection was unstable.

Problem: How does the sentence end?

The crowd at the gig could barely hear the singer because the 
Answer: singer was too quiet.

Problem: How does the sentence end?

After mastering the harp, the musician moved onto the trumpet, because the 
Answer: trumpet excited them now.

Problem: How does the sentence end?

Fashion was not Katrina 's strength, while Laura was an expert, so 
Answer:
Laura told her which dress was right for the occasion.