Four children in a fake egg having fun.
a fake egg is centre of attraction
Anything could be the centre of attraction.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_have(e1) & n_fun(x4) & (x2 = x3) & n_egg(x2) & a_fake(s1) & Theme(s1,x2) & n_child(x1) & card_eq_4(x1))
exists p1 s1 x1.(exists x2 x3.((x1 = x2) & of(x2,x3) & n_attraction(x3) & n_centre(x2)) & n_egg(x1) & a_fake(s1) & Theme(s1,x1))