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 woman though the slip was less sensual than the nightgown, because the _ was lacy and revealing.

SOLUTION: nightgown

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

SOLUTION: train

PROBLEM: The water filled tank filled with rocks and marbles had all the marbles taken out, so now the _ are dry.

SOLUTION:
marbles