With the dam in the distance, the boy piggy backed onto the man in the black jacket holding a frisbee.
The boy is outside.
With the dam in the distance, the boy piggy backed onto the man so in order for that to occur the boy is outside.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(n_distance(x6) & n_dam(x5) & n_jacket(x4) & a_black(s1) & Theme(s1,x4) & n_man(x3) & n_piggy(x1) & of(x1,x2) & n_boy(x2) & for(e1,e2) & Theme(e2,x7) & Actor(e2,x1) & v_hold(e2) & n_frisbee(x7) & with(e1,x5) & in(x5,x6) & onto(e1,x3) & in(x3,x4) & Actor(e1,x1) & v_back(e1))
exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_outside(s1))