A mother is smiling as her son and her are about to eat a meal together at the dinner table.
people are eating
A mother and her son are people.  Eating can be done as a meal together.
exists e1 p1 x1 x2 x3 x4 x6 x7.(n_table(x6) & of(x6,x7) & n_dinner(x7) & exists p2 s1.(Topic(s1,p2) & Actor(s1,x2) & a_about(s1) & exists e2 s2 x5.(at(e2,x6) & a_together(s2) & Manner(e2,s2) & Theme(e2,x5) & Actor(e2,x2) & v_eat(e2) & n_meal(x5))) & n_her(x4) & n_son(x3) & subset_of(x4,x2) & subset_of(x3,x2) & of(x2,x1) & n_female(x1) & as(e1,p1) & Actor(e1,x1) & v_smile(e1) & n_mother(x1))
exists e1 x1.(Actor(e1,x1) & v_eat(e1) & n_people(x1))