Sentence 1: Cathy has never been snowboarding before. 
 Sentence 3: Cathy found an instructor, and took her first lesson 
 Sentence 4:  After her first lesson, Cathy knew that snowboarding was not for her 
 Sentence 5:  Cathy was glad she got the opportunity to try snowboarding 
 Given Sentence 2: She just had to pick up a few things.