Context: I gave some to Wakaba earlier . " The scientist explained then began twirling his hair around his finger . " Speechless ? Of course you would be . " He explained still twirling his hair around a slim digit . It was those words that kick started Tatsumi \'s brain again .
Question: What may be the reason a few words triggers someone like that ?
Option 0: None of the above choices .
Option 1: It 's been implanted in their brain .
Option 2: It 's something that happens to someone with scientists .
Option 3: It 's due to past experiences .
Answer: 3