Sentence 1: Jon suddenly remembered he'd left a shovel outside. 
 Sentence 3: The cold and wet blasted through them and made him shiver violently 
 Sentence 4:  He spotted where he had left the shovel 
 Sentence 5:  Jon scooped it up and raced back inside where it was warm and dry 
 Given Sentence 2: She found a video discussing a show from the 70's.