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.

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.

The sentence that includes an unclear pronoun that should be corrected is:

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

The pronoun "she" in this sentence is unclear because it is not clear who it refers to. It could refer to either Jamal or his cousin. To correct it, the sentence could be revised to:
"Jamal and his cousin left at the same time, but his cousin reached the park before Jamal did."

The sentence that includes an unclear pronoun that should be corrected is:

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

To understand why this sentence contains an unclear pronoun, we need to identify the pronouns and their antecedents. In this sentence, the pronouns "she" and "he" are used. However, it is not clear who these pronouns are referring to. Without further context, we cannot determine whether "she" refers to Jamal or his cousin and whether "he" refers to Jamal or his cousin. To correct this sentence and eliminate the unclear pronoun, we can rewrite it with more specific antecedents:

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

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