There are two men and one female sitting down and looking at their laptops in front of a window.
a group of hackers skydive for a nice treat
It is impossible to be sitting down and looking at their laptops and skydive at the same time. It was never implied that the two men and the woman were hackers.
exists e1 e2 p1 s1 x1 x2 x3 x4.(for(p1,e2) & at(e2,x3) & in(x3,x2) & of(x2,x4) & n_window(x4) & n_front(x2) & n_laptop(x3) & of(x3,x2) & n_thing(x2) & Actor(e2,x1) & v_look(e2) & for(p1,e1) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & exists x5 x6 x7.((x1 = x5) & n_female(x7) & card_eq_1(x7) & n_man(x6) & card_eq_2(x6) & subset_of(x7,x5) & subset_of(x6,x5)))
exists e1 s1 x1 x2 x3.(for(e1,x3) & n_treat(x3) & a_nice(s1) & Theme(s1,x3) & Actor(e1,x1) & v_skydive(e1) & of(x1,x2) & n_hacker(x2) & n_group(x1))