A man and child wearing a yellow life vest look up from the water.
A father and son are swimming
A father and son are not required to be swimming to look up from the water.
exists e2 e1 p1 s1 x1 x2 x3 x4 x5 x6 x7.(n_water(x7) & exists s2.(from(s2,x7) & Theme(s2,x1) & a_up(s2)) & Topic(e2,p1) & Actor(e2,x1) & v_look(e2) & Theme(e1,x5) & Actor(e1,x4) & v_wear(e1) & n_vest(x5) & of(x5,x6) & n_life(x6) & a_yellow(s1) & Theme(s1,x5) & (x1 = x4) & n_child(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2 x3.(Actor(e1,x1) & v_swim(e1) & n_son(x3) & n_father(x2) & subset_of(x3,x1) & subset_of(x2,x1))