A student in a science lab is looking at something through a microscope.
A student in a science lab studies a sample.
A microscope is used for science.
exists e1 x1 x2 x3 x4 x5.(through(e1,x5) & n_microscope(x5) & at(e1,x4) & n_thing(x4) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_lab(x2) & of(x2,x3) & n_science(x3) & n_student(x1))
exists x1.(all x2.(n_sample(x2) -> exists x3 x4 x5.(a_topic(x1) & in(x1,x3) & for(x3,x2) & n_study(x3) & of(x3,x5) & n_lab(x5) & of(x3,x4) & n_science(x4))) & n_student(x1))