a young man sliiding down a railing near some stairs
The young man walked down the stairs.
Walked and sliding are two different things.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & a_down(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_sliid(e1) & near(x3,x4) & n_stair(x4) & n_railing(x3) & (x1 = x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_stair(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1) & down(e1,x2) & Actor(e1,x1) & v_walk(e1))