A man hugging a boy in a tunnel, made in the trunk of a tree.
The man is the boys father.
A man can be hugging a boy for many reasons so it ca not be assumed the man is the boys father.
exists e1 e2 x1 x2 x3 x4 x5 x6.(n_trunk(x5) & in(e2,x5) & of(x5,x6) & n_tree(x6) & Theme(e2,x1) & v_make(e2) & Theme(e1,x3) & Actor(e1,x2) & v_hug(e1) & in(x3,x4) & n_tunnel(x4) & n_boy(x3) & (x1 = x2) & n_man(x1))
exists p1 x1 x2 x3.(n_father(x2) & of(x2,x3) & n_boy(x3) & n_man(x1) & (x1 = x2))