You need to answer a given question containing a blank (_). Your answer must be one of the two objects mentioned in the question, for example "trophy" and "suitcase". Your answer must not contain a word that is not present in the question. Please don't use articles (e.g., the, a) before the answer.

A boy in a house tries to put a big book on a shelf built for paperbacks. The book falls to the ground because the _ is too narrow.
shelf

Since she was on a diet, the woman ate the salad with no dressing since the _ was high in calories.
dressing

I was trying to decide if I should use the oven or bbq the corn, after looking at the good weather, I decided to use the _ .

bbq