Task: Wrong Candidate Generation
Input (English): Context: After we finished work on the deck we drove around different places selling watermelons out of the back of Norm 's truck . We got about 150 for $ 100 and sold them 1 for $ 3 or 2 for $ 5 . We figured it 'd be an evening of easy money . Only we only sold about 20 so we did n't even make back our investment . 
Question: What is the maximum amount money we have lost selling the watermelons ? 
Correct Answer: None of the above choices .
Output (English): We lost 60 dollars at most .