Assertion (A) Hinayana and Mahayana Buddhism were divided into four speculative schools i.e. Vaibhashika, Sautrantika, Madhyamika and Yogachara.
Reason (R) Reference to these four schools is to be found in the Brahmanical work on philosophy.
1
Both A and R are true and R is the correct explanation of A
2
Both A and R are true but R is not the correct explanation of A
3
A is true, but R is false
4
A is false, but R is true