context: A man in a dark suit talks with a middle-aged man and woman on a stage in front of a large logo of the letter "D" with the numeral five within it.
hypothesis: It is unlikely that a couple of people are presenting at a conference.
valid_hypothesis: It is probable that a couple of people are presenting at a conference.
invalid_hypothesis: It is unlikely that a couple of people are presenting at a conference.
hypothesis_assertion: A couple of people are presenting at a conference.