premise: Two girls use shovels to dig in the dirt outside.
hypothesis: Some girls are outdoors.
explanation_1: The word some replies that there is more than one girl and digging in the dirt implies that they are outdoors.
premise_logic: 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))
hypothesis_logic: exists p1 x1.(exists x2.((x1 = x2) & n_outdoors(x2)) & n_girl(x1))
premise_sim: exists e1 p1 x1 x2 x3 x4.(v_use(e1) & of(x3,x4) & n_shovel(x2) & n_outside(x3) & n_girl(x1) & n_dirt(x4) & exists e2.(v_dig(e2) & in(e2,x3) & Actor(e2,x1)) & card_eq_2(x1) & Theme(e1,p1) & Recipient(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_girl(x1) & exists x2.(n_outdoors(x2) & (x1 = x2)))