You will be given a definition of a task first, then some input of the task.
In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Title: Planting a Hardy Hibiscus. Sentence 1: Donna bought a hardy hibiscus bush for the backyard. Sentence 2: The area that she wanted to plant it needed to be weeded. Sentence 3: Donna spent the day weeding the area. Sentence 4: The next day, Donna dug the hole and put in the hibiscus plant. Choices: a. After planting it, she put more soil down and watered it to finish. b. My hip flexor became inflamed.
Output:
a