context: A man dressed only in a towel is in a sauna.
hypothesis: It is certain that an old man dressed only in a yellow towel is sweating in a sauna.
valid_hypothesis: We doubt that an old man dressed only in a yellow towel is sweating in a sauna.
invalid_hypothesis: It is certain that an old man dressed only in a yellow towel is sweating in a sauna.
hypothesis_assertion: An old man dressed only in a yellow towel is sweating in a sauna.