{
  "attack_id": "02a405ef6f5e",
  "prompt": "A fish tank has 12 goldfish. I tell my cousin there are 20. I sell 3 to a pet store, flush 1, give 2 to my aunt, move 1 to a bowl, and 2 jump out. The pet store returns the 3 fish, which I put back. Later, I buy 5 tetras, add them to the tank, and give 1 goldfish to my uncle. I move 2 tetras to the bowl. My cousin wants a fish from the tank; I give him a tetra, which he keeps. Later, the 2 fish that jumped out are found and returned to the tank. How many goldfish are in the tank? Show all steps and explain the reasoning."
}