Task: Question Answering
Input (English): Context: I need to go back on my shake for breakfast , shake for lunch diet . It SUCKS hard core , but it is a great way to limit my calories and maybe my amazing expanding waistline would shrink a little . If I ' m going to look pregnant and need maternity clothes it would be nice to get the reward of sweet baby toes . 
Question: Why does shake for breakfast and lunch limit calories ?
Output (English): You do n't have to count calories the shake is pre mixed and ready .