Mom and her son put together a wooden track for cars.
Mom and son indoors.
Mom and son can put together a wooden track for cars anywhere and not necessarily only indoors.
exists e1 p1 x1 x2 x3.(exists s1 s2 x4 x5.(Theme(s2,x4) & a_together(s2) & for(x4,x5) & n_car(x5) & n_track(x4) & a_wooden(s1) & Theme(s1,x4)) & Topic(e1,p1) & Actor(e1,x1) & v_put(e1) & subset_of(x3,x1) & n_son(x3) & of(x3,x2) & n_female(x2) & subset_of(x2,x1) & n_mom(x2))
exists s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & Time(x2,x3) & n_indoor(x3) & n_son(x2) & subset_of(x1,s1) & n_mom(x1))