I think that the time spent doing the activity could cause Osama is because we don't know why suddenly Carlo during a trip to the camp ahead of the camp arranged, there may be a danger.
I think the time to do activities outside can cause sudden Umbrella accident. We know that during a trip to camp is what happens next. Or where the camp can be very dangerous.
I think to take to do activities outside the industry that may cause accident suddenly. Because we know that during the trip to camp will happen ahead. Or the place where the camp may be dangerous.