A skateboarder leaps of steps outside a corporate building.
A bike rider begins his climb up the mountain.
skateboarder will leaps with a skateboard not a bike.
exists s1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x3) & outside(x3,x4) & n_building(x4) & a_corporate(s1) & Theme(s1,x4) & n_step(x3) & n_leap(x1) & of(x1,x2) & n_skateboarder(x2))
exists e1 x1 x2 x3 x4.(n_mountain(x4) & up(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_begin(e1) & n_climb(x3) & of(x3,x1) & n_male(x1) & n_rider(x1) & of(x1,x2) & n_bike(x2))