A German Shepherd jumps off of a set of stairs.
There is an animal jumping off the stairs.
A set of stairs in the same as saying stairs, also a German shepherd is an animal, jumps is synonymous to jumping.
exists e1 s1 x1 x2 x3.(r_off(e1) & of(e1,x2) & of(x2,x3) & n_stair(x3) & n_set(x2) & Actor(e1,x1) & v_jump(e1) & ne_nam_shepherd(x1) & a_german(s1) & Theme(s1,x1))
exists p1 x1 x4.(n_stair(x4) & exists e1 s1 x2 x3.((x1 = x2) & a_off(s1) & Manner(e1,s1) & Theme(e1,x4) & Actor(e1,x3) & v_jump(e1) & (x2 = x3) & n_animal(x2)))