Olympic speed skater on the ice.
Olympic speed skater walking on the ice.
We didn't know he walking on the ice.
exists s1 x1 x2 x3.(n_ice(x3) & a_topic(x1) & on(x1,x3) & n_skater(x1) & a_speed(s1) & Theme(s1,x1) & (x1 = x2) & ne_nam_olympic(x2))
exists e1 x1 x2 x3 x4 x5.(n_ice(x5) & a_topic(x1) & on(e1,x5) & Actor(e1,x4) & v_walk(e1) & (x1 = x4) & n_skater(x1) & of(x1,x3) & n_speed(x3) & (x1 = x2) & ne_nam_olympic(x2))