Sentence 1: My niece's seven year old son has anger issues. 
 Sentence 3: One day he drew a picture while at a family party here 
 Sentence 4:  It was a drawing of a sad child holding a knife 
 Sentence 5:  We urged our niece to seek help, but she said it was nothing 
 Given Sentence 2: He often goes on temper tantrums.