premise: A male and female, both wearing sandals, walking by a fence. hypothesis: the man in workboots walked alone.
contradiction: A man in workboots is alone and contradicts a male and a female walking together, Also, the man was in sandals in one scenario and in workboots in the other.|contradiction: The man is either alone or with a female.|contradiction: It can either be a pair or single, The man cannot be wearing sandals and workboots at the same time.