Given the task definition and input, reply with output. In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.

Title: Ocean Kayak. Sentence 1: Alyssa went to the beach. Sentence 2: At the beach, she rented an ocean kayak. Sentence 3: She tried to paddle the kayak out to an oil rig. Sentence 4: The oil rig was further away than Alyssa imagined.
Alyssa had to stop and turn back when her arms got tired.