A mother and father throw their young son in the air while walking outside on a crisp day.
A young couple walks in the park alone.
A couple cannot be alone when they have their young son with them.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_air(x5) & while(e1,e2) & on(e2,x6) & n_day(x6) & a_crisp(s3) & Theme(s3,x6) & a_outside(s2) & Manner(e2,s2) & Actor(e2,x1) & v_walk(e2) & in(e1,x5) & Theme(e1,x4) & Actor(e1,x1) & v_throw(e1) & n_son(x4) & a_young(s1) & Theme(s1,x4) & of(x4,x2) & n_thing(x2) & n_father(x3) & n_mother(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 s1 x1 x2.(n_park(x2) & in(e1,x2) & r_alone(x2) & Actor(e1,x1) & v_walk(e1) & n_couple(x1) & a_young(s1) & Theme(s1,x1))