A child using a vacuum cleaner on the kitchen floor.
The child is wearing socks.
We cannot infer that the child is wearing anything - even socks.
exists e1 x1 x2 x3 x4 x5.(n_floor(x4) & of(x4,x5) & n_kitchen(x5) & on(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & n_cleaner(x2) & of(x2,x3) & n_vacuum(x3) & n_child(x1))
exists e1 x1 x2.(n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_sock(x2))