Task: Question Answering
Input (English): Context: Loki did n't like the idea of me going to therapy , and he 'd always ask did you find out who the killer was , and when I 'd shake my head he always seem to have a calm almost relieved face . It makes me wonder . Sighing I leaned back in my chair " it was pretty well today , and beacuse I know you 'll ask no I do n't know who the killer is . 
Question: Why does Loki seem relieved when I answer no , I do n't remember who the killer is ?
Output (English): Loki knows who the killer is and it would be problematic for him if I knew .