Sentence 1: Joe was on the beach with some friends. 
 Sentence 3: Joe had gone to see what was going on 
 Sentence 4:  When he arrived everyone was just watching the fire 
 Sentence 5:  Joe started to throw sand on the fire, people joined in and stopped it 
 Option 1: Down the beach the sea oats were on fire. 
 Option 2: There were big waves that day.