Several young men compete in the 1 meter puddle hurdle.
Several young men are doing an obstacle course
The fact that several young men compete in the 1 meter puddle hurdle does not imply that they are doing an obstacle course.
exists e1 s1 s2 x1 x2 x3 x4.(n_hurdle(x2) & of(x2,x4) & n_puddle(x4) & of(x2,x3) & n_meter(x3) & n_date(x2) & a_date_day_01(x2) & a_date_day_01(x2) & in(e1,x2) & Actor(e1,x1) & v_compete(e1) & n_man(x1) & a_young(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_course(x2) & of(x2,x3) & n_obstacle(x3) & n_man(x1) & a_young(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))