If the underlined word is <u><em>She</em></u>, then it is a <u><em>subject.</em></u>
If the underlined word is <em><u>board or water</u></em>, then it is an o<u><em>bject of the preposition</em></u>
Answer:
I would say I did it
Explanation:
Personally, I believe that it would be unjust to blame my friend from breaking the window since it was my fault in the first place.