Context: it was amazing , i did nt even know Beethoven wrote an opera , or that people could play piano that quickly . this one pianist got so into it his eyes rolled back , that part was kind of creepy . Today i cleaned out my room and next weekend i will be painting it light mint green ! i ' m excited , i need a fresh start .

Question: Why did the writer find the pianist 's expression to be creepy ?
Options:
0. Because he was playing the piano very quickly .
1. Because the writer is going to paint their room light green .
2. Because he was playing a Beethoven piece .
3. Because a person 's eyes rolling back into their head is a creepy look .
Answer: 3