A man reaching the top of a sand dune does not imply that he crawled there. A tall sand dune does not imply that it is large. Reaching the top of a sand dune does not imply that he climbed most of the way.


Context: "A man reaches the top of a tall sand dune." Claim: "A man crawls to the top of a large sand dune, having climbed most of the way."
Considering the context, is the claim true, false, or unknown?