Premise: For example, the success of The Gap's jeans, J. C. Penney's Arizona line, and Sears's Canyon River Blue line has led to erosion of the market share held by the two leading jeans manufacturers, Levi Strauss and VF Corporation.

Hypothesis: Levi Strauss was one of the jeans manufacturers that lost market share to the success of jeans by brands like The Gap.
Relation: entailment