premise1: A man at a podium standing behind his laptop with a microphone giving a presentation in front of a poster.
premise2: A man in a white checkered shirt gives a business presentation with a slide show behind him.
premise3: A man stands in front of a slide show and gives a presentation.
premise4: Man with computer giving speech.
premise: A man at a podium standing behind his laptop with a microphone giving a presentation in front of a poster. A man in a white checkered shirt gives a business presentation with a slide show behind him. A man stands in front of a slide show and gives a presentation. Man with computer giving speech.
hypothesis: Men having fun.