A group of men are gathered in the forest.
Someone is sitting on a tree.
Second sentence mentions that the new are gathered to see the person sitting on a tree
exists e1 x1 x2 x3.(n_forest(x3) & in(e1,x3) & Theme(e1,x1) & v_gather(e1) & of(x1,x2) & n_man(x2) & n_group(x1))
exists e1 x1 x2.(on(e1,x2) & n_tree(x2) & Actor(e1,x1) & v_sit(e1) & n_person(x1))