premise: A lumberjack cuts down a pine tree in a snowy area.
hypothesis: A lumberjack wields a chainsaw to chop down a pine tree.
explanation_1: We have no idea if the lumberjack wields a chainsaw. We don't even know what he is using.
explanation_2: You can not infer he wields.
explanation_3: Cutting down a pine tree doesn't imply it is with a chainsaw.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4.(in(e1,x4) & n_area(x4) & a_snowy(s2) & Theme(s2,x4) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_cut(e1) & n_tree(x2) & of(x2,x3) & n_pine(x3) & n_lumberjack(x1))
hypothesis_logic: exists e1 p1 x1 x2 x3.(Topic(e1,p1) & exists e2 s1 x4 x5.(a_down(s1) & Manner(e2,s1) & Theme(e2,x4) & Actor(e2,x1) & v_chop(e2) & n_tree(x4) & of(x4,x5) & n_pine(x5)) & Theme(e1,x3) & Actor(e1,x2) & v_wield(e1) & n_chainsaw(x3) & n_lumberjack(x2) & n_lumberjack(x1))