A boy in a plaid shirt wields a shovel on the beach.
A boy is making a sand castle.
using shovel may not always be for making sand castle
exists e1 s1 x1 x2 x3 x4.(n_beach(x4) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_wield(e1) & n_shovel(x3) & in(x1,x2) & n_shirt(x2) & a_plaid(s1) & Theme(s1,x2) & n_boy(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_castle(x2) & of(x2,x3) & n_sand(x3) & n_boy(x1))