Given below are pairs of events 'A' and 'B' You have to read both the events 'A' and 'B' and decide their nature of relationship. You have to assume that the information given in 'A' and 'B' is true and you will not assume anything beyond the given information in deciding the answer. make answer
1) If 'A' is the effect and 'B' is its immediate and principal cause.
2) If 'A' is the immediate and principal cause and 'B' is its effect.
3) If 'A' is an effect but 'B' is not immediate and principal cause.
4) If 'B' is an effect but 'A' is not its immediate and principal cause.
5) None of these
Event (A): The Indian Board for Wildlife headed by the PM has not met since 1998.
Event (B): A London -based environmental investigation agency has brought to light the massive killing of a hundred tigers during this year in India.

Explanation

1, If .A. is the effect and .B. is its immediate and principal cause.