Step 1: Evaluating the Assertion (A):
Safety briefings are crucial before any adventure sport like parasailing. They instruct participants on proper takeoff posture, harness security, hand signals to communicate with the boat crew, and emergency procedures (such as what to do during a water landing). Hence, the assertion is True.
Step 2: Evaluating the Reason (R):
Fear is a natural response, but excessive fear or panic during flight can cause a participant to freeze or behave unsafely. A panicking passenger might attempt to unlock their harness prematurely, ignore instructions, or land in an unsafe posture, risking severe injury. Therefore, individuals showing extreme fear should not be forced or taken up. Hence, the reason is also True.
Step 3: Determining the Logical Link:
We must test if (R) explains (A) by asking: Why is a safety briefing prior to parasailing important? Is it because afraid participants should not be taken?
The answer is no. A safety briefing is important to educate and prepare all active participants on equipment usage and emergency protocols. The exclusion of fearful participants is a separate screening rule. Since both statements are correct but lack a direct cause-and-effect relationship, (R) is not the correct explanation of (A). This matches option (B).