Mercutio agrees, saying that dreams “are the children of an idle brain” . Mercutio seems to be saying that dreams are like illusions meant to tempt men's souls but fall apart when he wakes. There is some pretty strong intensity here.
Macbeth is completely and solely responsible for his own downfall. He lead himself to defeat by falling to his fatal flaws. Manipulation, ambition, and power got the better of him creating great inner turmoil, and bringing him to an abrupt end. From the beginning Macbeth was able to choose his own fate.
Answer: The last sentence.
Explanation: in the last sentence the pronoun is placed where it clearly states whom they are speaking of. The second sentence could also be an answer but since it is misspelled I advise to just select the last sentence.
Both are correct already.