A small child is yawning while hoisted on the back of a man.
The child is sitting on the man's back.
Being hoisted on the back of a man is the same as sitting on the man's back.
exists e1 s1 x1 x2 x3 x4.(n_back(x3) & while(e1,x2) & on(x2,x3) & of(x3,x4) & n_man(x4) & n_hoist(x2) & Actor(e1,x1) & v_yawn(e1) & n_child(x1) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_back(x3) & of(x3,x2) & n_man(x2) & n_child(x1) & on(e1,x3) & Actor(e1,x1) & v_sit(e1))