a boy in a blue top is jumping off some rocks in the woods.
A boy in a blue shirt doing a backflip off a rock.
A backflip is only one type of jumping. He could just be jumping straight down.
exists e1 s1 s2 x1 x2 x3 x4.(n_wood(x4) & in(e1,x4) & a_off(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_jump(e1) & n_rock(x3) & in(x1,x2) & n_top(x2) & a_blue(s1) & Theme(s1,x2) & n_boy(x1))
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & off(x4,x5) & n_rock(x5) & n_backflip(x4) & (x2 = x3) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_boy(x1))