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.

Example Input: The glow of the car headlight reached to street but not the bridge, as the air on the _ was clear that night.
Example Output: street

Example Input: The shotgun made a bigger hole in the target than the pistol because the _ was weak.
Example Output: pistol

Example Input: I've been looking to develop a smartphone app for iOS or Android. I understand the _ OS isn't as restrictive though.
Example Output:
Android