A colorful pebble falls on a goldfish, where is the pebble?\nOptions:\n- aquarium\n- creek\n- pet store\n- playground\n- pond Hmmm, let me think.
User
Aquariums have colorful pebbles for show. aquariums often contain goldfish. Aquariums are made of glass and are transparent. One can only watch a pebble fall on a fish in an aquarium.
So, the answer is aquarium.
Assistant