Male jumping over dirt ramps on his bike.
A guy is bounding over a slopes on his bicycle.
A guy is a male. Bounding over mean jumping over. Dirt ramps usually have slopes. A bike is the short form of a bicycle.
exists s1 x1 x2 x3 x4.(a_topic(x1) & over(x1,x2) & on(x2,x4) & n_bike(x4) & of(x4,x1) & n_male(x1) & n_ramp(x2) & of(x2,x3) & n_dirt(x3) & n_jump(x1) & a_male(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(over(e1,x2) & on(x2,x3) & n_bicycle(x3) & of(x3,x1) & n_male(x1) & n_slope(x2) & Actor(e1,x1) & v_bound(e1) & n_guy(x1))