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: Last year I took a day trip to see a friend in Maine. Sentence 2: I took the Amtrak from Boston to Saco, Maine. Sentence 3: We had lunch at Gritty's in Portland. Sentence 4: My friend drove me back to the train station. Sentence 5: I had a nice time and will visit my friend this year. Choices: a. Maine. b. Heather cooks Tacos for the first time..

a