Task: Question Answering
Input (English): Context: I am thinkin about purchasing a 04 ' Infiniti G35 for $ 12,000 , & it has 70k miles on it , the car looks and drives beautiful , but is it worth buying ?. 
Question: Why might I feel ambivalent about buying this car ?
Output (English): Because with used cars , you can never tell if it 's in a good condition .