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 bike manufacturer switched its fabrication from steel to aluminium frames because the _ was lighter.
aluminium

Giving a shirt as a gift is a better token of love than giving a hat, as the _ is a stronger symbol of affection.
shirt

I liked the material less than the fabric mostly because the _ was very cheap.

material