The men are working in the hot sun.
The men are working.
Men working in the hot sun must be working.
exists e1 s1 x1 x2.(n_sun(x2) & a_hot(s1) & Theme(s1,x2) & n_man(x1) & in(e1,x2) & Actor(e1,x1) & v_work(e1))
exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_work(e1))