An inflatable rock climbing obstacle is scaled by a person wearing a white helmet.
a man inflates a large rock
The person can not be inflating a large rock if they are scaling an inflatable rock climbing obstacle course
exists e2 e3 e1 s1 s2 x1 x2 x3 x4 x5.(Actor(e2,x3) & Theme(e3,x5) & Actor(e3,x4) & v_wear(e3) & n_helmet(x5) & a_white(s2) & Theme(s2,x5) & (x3 = x4) & n_person(x3) & Theme(e2,x1) & v_scale(e2) & n_obstacle(x1) & Actor(e1,x1) & v_climb(e1) & of(x1,x2) & n_rock(x2) & a_inflatable(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_inflate(e1) & n_rock(x2) & a_large(s1) & Theme(s1,x2) & n_man(x1))