A long-haired young man skateboarding on the rails on a cloudy day.
A young man is skateboarding in the rain.
It cannot be assumed that the cloudy day is accompanied by rain.
exists e1 s1 s2 s3 x1 x2 x3 x4.(n_rail(x3) & a_topic(x1) & on(e1,x4) & n_day(x4) & a_cloudy(s3) & Theme(s3,x4) & on(e1,x3) & Actor(e1,x2) & v_skateboard(e1) & (x1 = x2) & n_man(x1) & a_young(s2) & Theme(s2,x1) & a_long-haired(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_rain(x2) & in(e1,x2) & Actor(e1,x1) & v_skateboard(e1) & n_man(x1) & a_young(s1) & Theme(s1,x1))