Teacher:In this task, you are given a short story consisting of exactly 5 sentences where the second sentence is missing. You are given two options and you need to select the one that best connects the first sentence with the rest of the story. Indicate your answer by 'Option 1' if the first option is correct, otherwise 'Option 2'. The incorrect option will change the subsequent storyline, so that at least one of the three subsequent sentences is no longer consistent with the story.
Teacher: Now, understand the problem? Solve this instance: Sentence 1: Jen was taking a shower when she heard a noise from the drain. 
 Sentence 3: Jen quickly shut the water off and the water stopped rising 
 Sentence 4:  She called a plumber and a guy came out and fixed it in an hour 
 Sentence 5:  Jen was happy it was fixed but mad because it cost two hundred bucks! 
 Option 1: Water started to back up through the shower drain and filled the tub. 
 Option 2: A tiny pebble had gone down the drain and was clinking against the metal.
Student:
Option 1