Sentence 1: One day Tom's dog ran away. 
 Sentence 3: After searching all day he found nothing and went home sad 
 Sentence 4:  He then received a call saying someone saw his dog at the park 
 Sentence 5:  He went and after a long search Tom found his dog in the bushes! 
 Given Sentence 2: The pile was placed on my porch by my neighbor.