Two girls use shovels to dig in the dirt outside.
Some girls are outdoors.
The word some replies that there is more than one girl and digging in the dirt implies that they are outdoors.
exists e1 p1 x1 x2 x3 x4.(n_outside(x3) & of(x3,x4) & n_dirt(x4) & Theme(e1,p1) & Recipient(e1,x2) & Actor(e1,x1) & v_use(e1) & exists e2.(in(e2,x3) & Actor(e2,x1) & v_dig(e2)) & n_shovel(x2) & n_girl(x1) & card_eq_2(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_outdoors(x2)) & n_girl(x1))