Sentence 1: Melody went to browse a hat store. 
 Sentence 3: She saw traditional hats, colorful hats, and lots of silly hats 
 Sentence 4:  She picked up a silly hat and had an idea for a joke 
 Sentence 5:  She bought the hat to do the joke and went home 
 Option 1: She was surprised at the lack of variety of hats there. 
 Option 2: She was surprised at the large variety of hats there.