Definition: In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.
Input: Sentence 1: The state of Hawaii has been experiencing some very hot weather. Sentence 2: So a lot of the residents have been looking for ways to cool off. Sentence 3: The library has been a good source because they have air conditioning. Sentence 4: Most people are still going to the library for the books. Sentence 5: But when it's hot they also go there for the free air conditioning. Choices: a. The weird neighbor. b. Libraries in Hawaii.

b