Task: Question Answering
Input (English): Context: hidden spy nanny cams .Time is very precious . We can not afford to waste time on simple little things . In today 's stimulating era , we all need to be more attentive do something new to make things easy in life . 
Question: According to the excerpt , what is a good reason to install a hidden spy nanny cam ?
Output (English): To make sure that the nanny is engaging with the children .