premise: Three men observe a specimen under a microscope.
hypothesis: Three scientists observe an experiment.
explanation_1: Men making microscope observations are not always scientists.  Microscope specimens are not always part of an experiment.
premise_logic: exists e1 x1 x2 x3.(under(e1,x3) & n_microscope(x3) & Theme(e1,x2) & Actor(e1,x1) & v_observe(e1) & n_specimen(x2) & n_man(x1) & card_eq_3(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_observe(e1) & n_experiment(x2) & n_scientist(x1) & card_eq_3(x1))
premise_sim: exists e1 x1 x2 x3.(v_observe(e1) & under(e1,x3) & n_specimen(x2) & n_microscope(x3) & n_man(x1) & card_eq_3(x1) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_observe(e1) & n_scientist(x1) & n_experiment(x2) & card_eq_3(x1) & Theme(e1,x2) & Actor(e1,x1))