Sentence 1: We were on the floor of an Offspring Concert. 
 Sentence 3: I slowly made my way to the pit and ran around in it 
 Sentence 4:  After a few minutes, I got hit in the face and fell down 
 Sentence 5:  I ended up with a concussion and bloody nose 
 Option 1: When the band started to play, the speakers weren't working so they stopped. 
 Option 2: When the band started to play, a mosh pit formed in the center.