Sentence 1: My two-year-old son wanted to play in the big kid area. 
 Sentence 3: We finally relented and let him go play in the big kid area 
 Sentence 4:  While he was there, a big kid accidentally ran over him 
 Sentence 5:  My son ended up crying again 
 Option 1: He cried and cried when we put him into the toddler area. 
 Option 2: I told his big brother to help him.