Answer the following question about this sentence:

I was confused by the professor's lecture.

What is the effect?
Ans: **I asked the professor questions.**

Answer the following question about this sentence:

A group of teenagers crashed the party.

What is the effect?
Ans: **The host of the party kicked them out.**

Answer the following question about this sentence:

The clouds looked dark.

What is the effect?
Ans:
**I brought my umbrella to work.**