A young girl tilts her head as other children in the background are seen.
A young girl tilts her head and eats a slice of pizza.
(These aren't contradictions, technically) The first sentence focuses on children; the other on pizza.
exists e1 p1 s1 x1 x2 x4 x5.(n_background(x5) & n_child(x4) & exists e2 x3.(Theme(e2,x3) & v_see(e2) & in(x3,x5) & -(x3 = x4) & n_child(x3)) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_tilt(e1) & n_head(x2) & of(x2,x1) & n_female(x1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists e2 e1 s1 s2 x1 x2 x3 x4 x5.(Theme(e2,x4) & Actor(e2,x3) & v_eat(e2) & of(x4,x5) & n_pizza(x5) & n_slice(x4) & n_girl(x3) & a_young(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_tilt(e1) & n_head(x2) & of(x2,x1) & n_female(x1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))