Consider the following statements related to the Xuanzang:
1. He studied India's caste system and wrote the book 'Si-Yu-Ki.
2. He observed that in India executioners and scavengers were forced to live outside the city.
Which of the above statement is/are correct?
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2