A man is carefully chiseling ice.
The man is knocking down the ice
If the man is carefully chiseling ice, it is not likely that he is knocking down the ice.
exists e1 s1 x1 x2.(a_carefully(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_chisel(e1) & n_ice(x2) & n_man(x1))
exists e1 s1 x1 x2.(n_ice(x2) & n_man(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_knock(e1))