Sentence 1: Wendy was in the car with her mom. 
 Sentence 3: Wendy got so mad, she tried to leave the car 
 Sentence 4:  Her mom scolded her loudly 
 Sentence 5:  Wendy got back in the car and apologized 
 Option 1: Suddenly they began to sing. 
 Option 2: Suddenly, they began to fight.