Several men are tinkering with radio controlled items.
Some people are maneuvering radio controlled gadgets.
There are some people because there are several men.
exists e1 e2 s1 x1 x2 x3.(with(e1,x2) & n_item(x2) & Theme(e2,x2) & v_control(e2) & of(x2,x3) & n_radio(x3) & Actor(e1,x1) & v_tinker(e1) & n_man(x1) & a_several(s1) & Theme(s1,x1))
exists e1 e2 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_maneuver(e2) & n_gadget(x2) & Theme(e1,x2) & v_control(e1) & of(x2,x3) & n_radio(x3) & n_people(x1))