In a tense moment, he stumbled over a question while explaining it to his friend but chose the correct answer.
Dana Hunter, 30, discovered the holy text when she was walking along the promenade in Prestonpans last week.
The DunBear was designed by renowned artist Andy Scott, who also created The Kelpies.
The 13-year-old victim suffered serious facial injuries that required hospital treatment.
Justice secretary Humza Yousaf has suggested a public health response should be pioneered to tackle the behaviour.
A stretch of the A1 in East Lothian was closed to all vehicles from 5am on Tuesday.
A baby boy born at 12.03am at the Royal Infirmary of Edinburgh was the earliest arrival announced so far.