Two medical professionals in green look on at something.
Two medical workers wear green scrubs while looking at an object.
Medical workers in offices or hospitals wear a uniform of green scrubs, so they could be professionals. The collective verbs and descriptions imply that they are looking together, and "something" is a generic noun that could describe an object.
exists e1 s1 s2 x1 x2 x3 x4.(r_on(e1) & at(e1,x4) & n_thing(x4) & Theme(e1,x2) & Actor(e1,x1) & v_event(e1) & in(x2,x3) & n_look(x3) & a_green(s2) & Theme(s2,x3) & n_professional(x2) & a_medical(s1) & Theme(s1,x2) & card_eq_2(x2) & n_thing(x1))
exists e1 e2 s1 s2 x1 x2 x3.(while(e1,e2) & at(e2,x3) & n_object(x3) & Actor(e2,x1) & v_look(e2) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_scrub(x2) & a_green(s2) & Theme(s2,x2) & n_worker(x1) & a_medical(s1) & Theme(s1,x1) & card_eq_2(x1))