Sentence 1: I came out of my class and walked to my locker. 
 Sentence 3: At first, no one was willing to help me up 
 Sentence 4:  However, one of the teachers around the area helped me get up 
 Sentence 5:  She took me to the school's nurse 
 Given Sentence 2: I pressed my foot on a broken tile and fell on the ground.