Sentence 1: Levi and his friends went to the woods for a picnic. 
 Sentence 3: Shortly after finishing their meal they had smelled smoke 
 Sentence 4:  Turning around they noticed their campfire had spread to some brush 
 Sentence 5:  They frantically put the fire out saving the day 
 Option 1: They could not eat before they saw a fire. 
 Option 2: They were having a good time eating and talking.