Sentence 1: One time my cousins and I were playing at my grandparents. 
 Sentence 3: He put rope around his ankles, attached it to the tree and let go 
 Sentence 4:  He was quickly stuck and we ran for help 
 Sentence 5:  Eventually he came down but only after Grandma loosened the knot 
 Given Sentence 2: Her husband agreed and invited their friends.