Problem: How does the sentence end?

The erupting volcano spewed molten lava, ash and smoke into the sky until the
Answer: sky was obscured.

Problem: How does the sentence end?

Joel's legs have started to getting hairy and he asks for Joseph's advice, because
Answer: Joel wants to shave his legs.

Problem: How does the sentence end?

Natalie saw fish at the aquarium while Lindsey saw turtles, and
Answer: Natalie took pictures of the fish.

Problem: How does the sentence end?

Erin wasn't happy with the level of production from Amy, because
Answer:
Erin was a demanding boss.