Given the task definition and input, reply with output. You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Paragraph: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.
 Question: Do electric cars pollute more or less than gas cars? 
 Choices: A)more 
B)less
less