Given below are two statements:
Assertion A: A process involves a library function to create a thread.
Reason R: The threads make system calls to convey their resource and I/O requirements to the Kernel.

1. A(A) Both A and R are true and R is the correct explanation of A
2. B(B) Both A and R are true but R is NOT the correct explanation of A
3. C(C) A is true but R is false
4. D(D) A is false but R is true

Pick an option to check yourself, or open the answer below.