Three young women are gathered around a microscope with one observing a slide.
scientists look for the cure
Not all young women are scientists.  Not everyone gathered around a microscope is doing so to look for a cure.
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_observe(e2) & n_slide(x4) & with(e1,x3) & n_thing(x3) & card_eq_1(x3) & around(e1,x2) & n_microscope(x2) & Theme(e1,x1) & v_gather(e1) & n_woman(x1) & a_young(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 x1 x2.(n_cure(x2) & for(e1,x2) & Actor(e1,x1) & v_look(e1) & n_scientist(x1))