Find and correct rhe mistakes: 1. Our street is very crowded and noisy. How about your? 2. Ours school yard is very crowded at break time. How about yours?

Here are the corrected sentences: 1. Our street is very crowded and noisy. How about yours? (No mistake, the sentence is correct.) 2. Our school yard is very crowded at break time. How about yours? (The mistake was "Ours" which should be "Our". "Ours" is a possessive pronoun, while "Our" is an adjective used to describe a noun.)