Children playing in water looking at a giant picture of a person's face.
The giant picture holds the child's attention
If children are looking at a giant picture then it can be inferred that the picture holds one (since child is used instead of children) of their attention.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(at(e2,x4) & of(x4,x6) & n_face(x6) & of(x6,x5) & n_person(x5) & n_picture(x4) & a_giant(s1) & Theme(s1,x4) & Actor(e2,x1) & v_look(e2) & in(e1,x3) & n_water(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1))
exists e1 s1 x1 x2 x3.(n_attention(x3) & of(x3,x2) & n_child(x2) & n_picture(x1) & a_giant(s1) & Theme(s1,x1) & Theme(e1,x3) & Actor(e1,x1) & v_hold(e1))