Problem: Does "Knowledge and liberation was achievable by complete understanding of the world of experience, according to Vaisesika school ." answer the question "By understanding what does Vaisesika school believe one gains knowledge and liberation?" OPTIONS:
- yes
- no

A: yes

Problem: Does "Vacuum does not mean that the curvature of space-time is necessarily flat: the gravitational field can still produce curvature in a vacuum in the form of tidal forces and gravitational waves (technically, these phenomena are the components of the Weyl tensor)." answer the question "Who's equations helped to imply vanishing of the Ricci tensor?" OPTIONS:
- yes
- no

A: no

Problem: Does "Tribes such as the Koilis, Halis, Dagis, Dhaugris, Dasa, Khasas, Kinnars, and Kirats inhabited the region from the prehistoric era." answer the question "What tribes inhibited the area that now constitutes Himachal Pradesh?" OPTIONS:
- yes
- no

A:
yes