A man jumps over a wave while riding a surfboard.
A man is surfing
Surfing is the same as riding a surfboard.
exists e2 e1 x1 x2 x3.(while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_ride(e2) & n_surfboard(x3) & over(e1,x2) & n_wave(x2) & Actor(e1,x1) & v_jump(e1) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_surf(e1) & n_man(x1))