A crowd watches as a barefoot man does aerial tricks.
A man is doing tricks with balloons.
A crowd watches as a barefoot man does aerial tricks does not imply that he is doing tricks with balloons.
exists e1 p1 x1.(exists e2 s1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x2) & v_do(e2) & n_trick(x4) & a_aerial(s1) & Theme(s1,x4) & n_man(x2) & of(x2,x3) & n_barefoot(x3)) & as(e1,p1) & Actor(e1,x1) & v_watch(e1) & n_crowd(x1))
exists e1 x1 x2 x3.(with(e1,x3) & n_balloon(x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_trick(x2) & n_man(x1))