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.

The bed could not be covered with the towel without exposing some part of it. The _ is small.
towel

The rose was more fragrant than the carnation because the _ was growing more healthier.
rose

The behavior of the criminal had to be analyzed by a piece of AI because the _ was standard.

AI