Skateboarding on a beautiful day.
The skater is outside
A skater is a person who does the action skateboarding. If it is clear that it is a beautiful day, then one must be outside. Skateboarding is usually done outside.
exists e1 s1 x1 x2.(on(e1,x2) & n_day(x2) & a_beautiful(s1) & Theme(s1,x2) & Actor(e1,x1) & v_skateboard(e1) & n_thing(x1))
exists s1 x1.(n_skater(x1) & Theme(s1,x1) & a_outside(s1))