premise: Man observes a wavelength given off by an electronic device.
hypothesis: The man is running an experiment.
explanation_1: A man observing a device does not imply that he is running an experiment.
explanation_2: He is only observing not sure whether running an experiment
explanation_3: What the man was doing may have been a job he does everyday instead of an experiment.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_observe(e2) & Actor(e1,x4) & n_device(x4) & a_electronic(s2) & Theme(s2,x4) & a_off(s1) & Manner(e1,s1) & Theme(e1,x3) & v_give(e1) & (x2 = x3) & n_wavelength(x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_experiment(x2))