A group of people are having a picnic at the park.
There are people eating outside.
A park is usually outside.
exists e1 x1 x2 x3 x4.(n_park(x4) & at(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & n_picnic(x3) & of(x1,x2) & n_people(x2) & n_group(x1))
exists p1 x1 e1 p2 x2 x3.((x1 = x2) & exists s1.(Theme(s1,x3) & a_outside(s1)) & Topic(e1,p2) & Actor(e1,x3) & v_eat(e1) & (x2 = x3) & n_people(x2))