All week , every week those dumpsters are chock - full of bear fantasy food ; once a week there 's about one hour when the containers are empty before the next plentiful load of sumptuous garbage is dumped in . So this is when the bear decides to break in ? We like this bear .

Give answer the following question using evidence from the above passage: Why does the bear choose a time when the dumpster is full of food to attack ?
Bears are motivated by food , and when they smell it , they will go after it