Fill in the blank (_) in the following sentence from the following choices.
Sentence: The mechanic tried to cover the car with a tarp but it didn't fit because  the _ was too short.

Choice 1: The mechanic tried to cover the car with a tarp but it didn't fit because  the tarp was too short.
Choice 2: The mechanic tried to cover the car with a tarp but it didn't fit because  the car was too short.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.