A female is working in a laboratory with science equipment.
A boy is working in a lab.
Female and boy are different.
exists e1 x1 x2 x3 x4.(in(e1,x2) & with(x2,x3) & n_equipment(x3) & of(x3,x4) & n_science(x4) & n_laboratory(x2) & Actor(e1,x1) & v_work(e1) & n_female(x1))
exists e1 x1 x2.(in(e1,x2) & n_lab(x2) & Actor(e1,x1) & v_work(e1) & n_boy(x1))