TASK DEFINITION: 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.
PROBLEM: The glow of the car headlight reached to street but not the bridge, as the air on the _ was clear that night.

SOLUTION: street

PROBLEM: The interesting publication wouldn't fit in the sports magazine because the _ was too long.

SOLUTION: publication

PROBLEM: I need to teach my cat how to do a handshake. I could use either classical conditioning or operant conditioning. The _ approach is foolproof.

SOLUTION:
classical