Context: My youngest brother had a surprise waiting for me when I went next door after work this afternoon . He came out with what looked like a book at first and I asked him if it was for me . Well , it was for me and it 's ' The Last Unicorn ' movie on DVD ! Was I excited and my jaw dropped open .
Question: What may be the reason for their jaw dropping open ?
Option 0: Because they were bored .
Option 1: Because they were thirsty .
Option 2: Because they were so surprised .
Option 3: Because they were hungry .
Answer: 2