Sentence 1: Tommy loved exploring the woods behind his house. 
 Sentence 3: He began to dig in the dirt with his hands 
 Sentence 4:  After a little digging, Tommy found a pair of dentures 
 Sentence 5:  It turns out that grandpa's lost teeth were not so far away! 
 Given Sentence 2: One day, he was exploring and found a disturbed spot in the dirt.