premise: The group is working with microscopes and wearing clean white scrubs, hairnets and face masks.
hypothesis: The group is conducting an experiment on algae and are taking a closer look through their microscope.
explanation_1: One can be working with microscopes for reasons other than an experiment on algae.
explanation_2: Just because a group is working with microscopes does not mean they are conducting an experiment on algae.
explanation_3: Working with microscopes does not mean conducting an experiment.
premise_logic: exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_group(x1) & Theme(e2,x3) & Actor(e2,x1) & v_wear(e2) & rel(x3,x4) & subset_of(x6,x4) & n_mask(x6) & of(x6,x7) & n_face(x7) & subset_of(x5,x4) & n_hairnet(x5) & n_scrub(x3) & a_white(s2) & Theme(s2,x3) & a_clean(s1) & Theme(s1,x3) & with(e1,x2) & n_microscope(x2) & Actor(e1,x1) & v_work(e1))
hypothesis_logic: exists e2 e1 s1 x1 x2 x3 x4 x5.(n_microscope(x5) & of(x5,x1) & n_thing(x1) & n_group(x1) & through(e2,x5) & Theme(e2,x4) & Actor(e2,x1) & v_take(e2) & n_look(x4) & r_more(s1) & a_close(s1) & Theme(s1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_conduct(e1) & on(x2,x3) & n_alga(x3) & n_experiment(x2))