premise1: Middle-aged man with brown hair focuses on measuring substance in beaker in a lab.
premise2: A man with a receded hairline is in a chemistry lab working with several beakers.
premise3: A scientist really deep into his experiment.
premise4: A man studies a glass beaker.
premise: Middle-aged man with brown hair focuses on measuring substance in beaker in a lab. A man with a receded hairline is in a chemistry lab working with several beakers. A scientist really deep into his experiment. A man studies a glass beaker.
hypothesis: Some men dance.