Young men skateboard under the trees, through cones and passersby.
Teenaged boys set up a skateboard obstacle course
Young men need not always be teen aged boys and skateboard under the trees, through cones and passersby does not mean that skateboard obstacle course is set up.
exists s1 x1 x2 x3 x4 x5 x6.(n_tree(x3) & a_topic(x1) & through(x1,x4) & subset_of(x6,x4) & n_passersby(x6) & subset_of(x5,x4) & n_cone(x5) & under(x1,x3) & n_skateboard(x1) & of(x1,x2) & n_man(x2) & a_young(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2 x3 x4.(a_up(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_set(e1) & n_course(x2) & of(x2,x4) & n_obstacle(x4) & of(x2,x3) & n_skateboard(x3) & n_boy(x1) & a_teenaged(s1) & Theme(s1,x1))