A man in a red jacket rides a horse in mountainous terrain.
A person in a national park, enjoys a beautiful sunny day outside.
Mountainous terrain does not necessarily imply being in a national park. The day could be any weather there is no way of knowing it is sunny.
exists e1 s1 s2 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & in(x3,x4) & n_terrain(x4) & a_mountainous(s2) & Theme(s2,x4) & n_horse(x3) & in(x1,x2) & n_jacket(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 s2 s3 s4 x1 x2 x3.(a_outside(s4) & Manner(e1,s4) & Theme(e1,x3) & Actor(e1,x1) & v_enjoy(e1) & n_day(x3) & a_sunny(s3) & Theme(s3,x3) & a_beautiful(s2) & Theme(s2,x3) & in(x1,x2) & n_park(x2) & a_national(s1) & Theme(s1,x2) & n_person(x1))