Anchor: Two men on a raft with a sofa.
Entailed: There is a raft.
Contradiction: The men are using a moving van.
Contradiction: Thinking about how far I could fall would have been helpful.  
Contradiction: We don't know either way.
Contradiction: We don't have any particular method to determine the levels, we just wing it.
Contradiction: Checks, online payments, and credit card donations are three of the ways donations are accepted.