A couple sitting together while the man eats corn.
The couple is sitting at a table.
Just because the couple is sitting doesn't mean they are at a table.
exists e1 p1 p2 x1 x2 x3.(n_man(x3) & a_topic(x1) & exists e2 x4.(Theme(e2,x4) & Actor(e2,x3) & v_eat(e2) & n_corn(x4)) & while(e1,p2) & exists s1.(Theme(s1,x2) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_couple(x1))
exists e1 x1 x2.(n_couple(x1) & at(e1,x2) & n_table(x2) & Actor(e1,x1) & v_sit(e1))