Instructions: In this task, you need to write an incorrect answer to the given question. Along with the question, you are also given the correct answer(s) and the associated paragraph. An incorrect answer should be closely related to the content of the paragraph and/or the question but will not truthfully answer the question. Your incorrect answers should be similar to the given correct answer such that it will pose a challenge for students to distinguish the two. A good incorrect answer should prevent those who skip the paragraph from answering the question. The incorrect answer should not be trivial, in the sense that they should not be easily eliminated without reading the paragraph.
Input: Paragraph- Sent 1: I'm here to tell you the story of a robot named Carl.
Sent 2: He came from a far away land known as Factory.
Sent 3: Carl was sad because he was missing a part called a tire.
Sent 4: He also needed a sun gatherer.
Sent 5: But, the tire was more important.
Sent 6: Once Carl got all these parts he could travel to his new home in the nation of Lab and the city of Office.
Sent 7: It was a tricky thing to get there with missing parts.
Sent 8: Just as he had given up hope Carl got a message from Mr. X saying the new parts were ready to be delivered.
Sent 9: This made the robot very happy.
Sent 10: The parts arrived a few days later and Carl put them in with 2 days of work.
Sent 11: After this Carl began to travel the last bit of his goal to get to his new job.
Sent 12: After this Carl took 10 days to get to Lab. 
Question: Which was the most important missing part that Carl has to get after getting out of the factory?.
Output:
Tire and sun gatherer.