A family sits in the grass in a park in India.
A group of people playing catch.
one cannot play catch if he sits in the grass.
exists e1 x1 x2 x3 x4.(ne_geo_india(x4) & n_grass(x2) & in(e1,x4) & in(e1,x3) & n_park(x3) & in(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_family(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_catch(x4) & (x2 = x3) & n_people(x2) & n_group(x1))