Adults and children gathered outdoors under a slatted roof socializing
Some of the people shown are brother and sister.
Not all adults and children are brother and sister.
exists e1 e3 e2 x1 x2 x3 x4 x5 x6.(under(e1,x5) & Actor(e3,x6) & v_socialize(e3) & (x5 = x6) & n_roof(x5) & Theme(e2,x5) & v_slatt(e2) & Theme(e1,x4) & Actor(e1,x1) & v_gather(e1) & n_outdoors(x4) & n_child(x3) & n_adult(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 p1 x1 x2 x3.(n_people(x2) & exists x4 x5 x6.((x1 = x4) & subset_of(x6,x4) & n_sister(x6) & subset_of(x5,x4) & n_brother(x5)) & of(x1,x2) & Theme(e1,x3) & v_show(e1) & (x2 = x3) & n_thing(x1))