Task: Question Answering
Input (English): Context: I find life hard enough . But here I am , doing a spring " cleanse . " I am cranky because I am exhausted . I am exhausted - or feeling my exhaustion - because all I ' ve been drinking is green tea , and not my usual 2 large cups of coffee in the morning plus limitless cups of black tea throughout the afternoon , and then decaf black tea in the evening . 
Question: what will happen from not drinking his coffee ?
Output (English): he will have less energy.