A young blond girl sitting down while eating.
The girl is eating at a picnic.
Just because a girl is siting and eating does not mean that she is at a picnic.
exists e2 e1 s1 s2 s3 x1 x2.(a_topic(x1) & while(e1,e2) & Actor(e2,x2) & v_eat(e2) & a_down(s3) & Manner(e1,s3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_girl(x1) & a_blond(s2) & Theme(s2,x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_girl(x1) & at(e1,x2) & n_picnic(x2) & Actor(e1,x1) & v_eat(e1))