I ate it
You said this because you beat something or someone who was trying to mess you up. You're a winner and they're a loser.
My math test was hard. I said 'I ate it.' My teacher said 'That's not a food.'
My crush tried to make me fail. I said 'I ate it.' He said 'That's not a food either.'
My dog ate my homework. I said 'I ate it.' My dog said 'You're not a food.'