Which sentence includes an unclear pronoun that should be corrected? Select the one correct answer.

1. Adam and Richard both made mistakes, but I think Adam is more to blame for what happened.

2. If you set the plant on the shelf over the fireplace, it might fall off the wall and break.

3. Mina and Lily arrived at their gallery show after making a stop at Mina's house.

4. Jamal and his cousin left at the same time, but she reached the park before he did.

3 answers

4. Jamal and his cousin left at the same time, but she reached the park before he did.
Those are not the correct answers
Apologies for the mistake. The correct answer is:

2. If you set the plant on the shelf over the fireplace, it might fall off the wall and break.

The pronoun "it" is unclear in this sentence. It is unclear what the pronoun "it" is referring to - the plant or the shelf. To make it clearer, the sentence should be revised to specify what "it" refers to.