A man in a yellow shirt is juggling knives.
The man in a yellow shirt is juggling butterknives.
The knives may not be butterknives.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_juggle(e1) & n_knife(x3) & in(x1,x2) & n_shirt(x2) & a_yellow(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(n_man(x1) & Theme(e1,x3) & Actor(e1,x1) & v_juggle(e1) & n_butterknive(x3) & in(x1,x2) & n_shirt(x2) & a_yellow(s1) & Theme(s1,x2))