He was brazen when he won the race
Answer:
The second one: You are, if I'm not mistaken, a good person for this experiment.
Explanation:
The first sentence, "You are, if I'm not mistaken a good person, for this experiment." does not have a comma after "mistaken", where there should be one. After "a good person", there should not be a comma.
Answer:
The answer is Summer vacation came as a relief to the student, who was tired of studying and writing research papers.
Explanation:
Personification would be the answer
