Task: Question Answering
Input (English): Context: Mat 's a good kid , he just pushes the limits with my parents ... oh yeah ... and he has broken some promises he had with them . When we where moving we let him stay in the empty house we were trying to sell an he threw parties in it . he left beed cans , garbage and he even left holes in the carpet from lit cigarettes . Besides that ... college went well today . 
Question: What is a characteristic of Mat ?
Output (English): rebellious at times.