A man crossing a stream over a log covered with snow in winter.
A man is skipping across a big bridge.
Skipping and crossing are two different activities. A log and a bridge are different crossing methods.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_cross(e2) & over(x3,x4) & in(e1,x7) & n_winter(x7) & with(e1,x6) & n_snow(x6) & Theme(e1,x5) & v_cover(e1) & (x4 = x5) & n_log(x4) & n_stream(x3) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2.(across(e1,x2) & n_bridge(x2) & a_big(s1) & Theme(s1,x2) & Actor(e1,x1) & v_skip(e1) & n_man(x1))