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 brigand Veerappan has released rajkumar after 108 days of abduction.
(B) : The state government 'A' has activated the Special Task Force (STF) to arrest Veerappan.

Explanation

4, if .B. is an effect but .A. is not its immediate and principal cause.