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 engineer created robots to replace the algorithms at solving the puzzle. The _ were more advanced.

SOLUTION: robots

PROBLEM: Susan made the decision of  getting in an Airplane instead of train to go to Miami because the _ travels slow.

SOLUTION: train

PROBLEM: All the money that he had wouldn't fit in his wallet, because the _ was too much.

SOLUTION:
money