Detailed Instructions: In this task, you will be shown an incorrect English sentence. You need to generate a corrected form of the input sentence.
See one example below:
Problem: The car's wheel are loose.
Solution: The car's wheel is loose.
Explanation: The instance of are is replaced by the word is. This makes the sentence grammatically correct.

Problem: Against those problems , people started to use cheaper transportation instead of car . 
Solution:
Against those problems , people started to use cheaper transportation instead of car . 