Premise:
"Jon looked for a path and saw a series of rocks that the man had likely climbed."
Hypothesis: Jon couldn't find any indicator of a path.

no

Premise:
"She might be in my sitting-room. He disappeared."
Hypothesis: She might be in my room and he is gone.

yes

Premise:
"5 events, we use the distributed lag model for PM10 reported in Schwartz (2000) to develop an adjustment factor which we then apply to the"
Hypothesis: We will not be using the distributed lag model.
no