I think it was
Acho que foi o Tom que fez isso.
I think Tom did it.
Acho que foi o homem do violino que disse que o cheiro era meu.
I think it was the man with the violin who said the smell was mine.
— O Cheiro do Ralo (2006)
Acho que foi apenas um palpite feliz.
I think it was just a lucky guess.