Sentence 1: The Smith family was invited by their cousins to their farm. 
 Sentence 3: Upon arrival, the Smiths saw that their cousins had four cows 
 Sentence 4:  Their cousins invited them to milk the cows, so they gave it a shot 
 Sentence 5:  Because of their efforts, the Smiths went home with a jar of milk 
 Given Sentence 2: His hands were so calloused from hanging on them for so long.