A woman is observing a sample through a microscope.
A woman have microphone
Since the woman is observing through a microscope, the woman must have one.
exists e1 x1 x2 x3.(through(e1,x3) & n_microscope(x3) & Theme(e1,x2) & Actor(e1,x1) & v_observe(e1) & n_sample(x2) & n_woman(x1))
exists e1 x1.(Actor(e1,x1) & v_microphone(e1) & n_woman(x1))