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.

Tom needed to decide if he wanted to use a homemade remover or commercial remover to remove the wallpaper, the _ version was harmful for the environment.
commercial

The delicate sculpture of the dolphin cracked when it was fired in the kiln, because the _ was too hot.
kiln

They had some reflexes issues that were causing them to stay in their chairs and watch TV. The _ were alleviating.

chairs