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


question:
My son didn't like the sports balls that he got compared to the discs, because the _ were second hand.
answer:
balls


question:
The park gardener dumped topsoil from the bag into the flower pot until the _ was full.
answer:

pot