Assertion (A):Man-animal conflict is on the rise.Reason

Assertion (A):
Man-animal conflict is on the rise.
Reason (R1):
Over the years, man has become more hostile and aggressive
Reason (R2):
There is clash of interests between man and animal.

1. If only reason 1 (R1) and not reason 2 (R2) is the reason for the assertion (A).
2. If only reason 2 (R2) and not reason 1 (R1) is the reason for the assertion (A).
3. If both (R1) and (R2) are reasons for the assertion (A).
4. If neither (R1) nor (R2) is the reason for the assertion (A).

There is a clash between the two on resources such as animals' habitat. For example, forests are being depleted by man.