Context: Wayne had gone over and over the area with a big magnet to get the metal ( which could possibly puncture tires , right Kath ? ) out of there .
Question: Why must the metal be taken out ?
Option 0: None of the above choices .
Option 1: It needed to be there .
Option 2: It 's not causing any harm .
Option 3: It 's dangerous to leave it there .
Answer: 3