A woman and child play in a snow covered yard.
A man and child play in the sand.
Woman and man are not the same person.  They cannot play in the sand when the yard is covered with snow.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(s1) & in(s1,x4) & n_yard(x4) & Theme(e1,x4) & v_cover(e1) & of(x4,x5) & n_snow(x5) & n_play(x2) & of(x2,x3) & n_child(x3) & n_woman(x1) & subset_of(x2,s1) & subset_of(x1,s1))
exists s1 x1 x2 x3 x4.(n_sand(x4) & a_topic(s1) & subset_of(x2,s1) & in(x2,x4) & n_play(x2) & of(x2,x3) & n_child(x3) & subset_of(x1,s1) & n_man(x1))