If you set the plant on the shelf over the fireplace, it might fall off the wall and break.
Jamal and his cousin left at the same time, but she reached the park before he did.
Mina and Lily arrived at their gallery show after making a stop at Mina's house.
Adam and Richard both made mistakes, but I think Adam is more to blame for what happened.
1 answer
The sentence with an unclear pronoun is: "Jamal and his cousin left at the same time, but she reached the park before he did."
To clarify, you could specify who "she" refers to by changing it to: "Jamal and his cousin left at the same time, but his cousin reached the park before he did."
