The boy is skateboarding on the bench by the fence.
The boy is 12 years old.
A boy doesn't have to 12 years old to go skateboarding.
exists e1 x1 x2 x3.(n_fence(x3) & n_bench(x2) & n_boy(x1) & by(e1,x3) & on(e1,x2) & Actor(e1,x1) & v_skateboard(e1))
exists e1 x1 x2.(n_boy(x1) & Theme(e1,x2) & Pivot(e1,x1) & r_more(e1) & v_old(e1) & n_year(x2) & n_date(x2) & a_date_day_12(x2) & a_date_day_12(x2))