Personification is when a non living object acts in a human like way.
The sun smiled warmly at the world below.
The fox danced, and danced laughing his way through the night.
The pencil cried tears of joy, for he was being used.
I hope this helps to answer your question!
Answer:
I assume this is a true or false question. So, if I'm correct, the answer would be true
"Of" is a preposition in the phrase "Of studying" and "until" is another, as well as "to" in the phrase "to college" so there are 3 in that sentence.