premise: A man is working on a Earthen structure with a pickaxe.
hypothesis: A man has tools.
explanation_1: A pickaxe is a tool, therefore the man has tools.
explanation_2: Pickaxe is a form of tools, and man is working is a type of man.
explanation_3: A pickaxe is a type of tool, and thus in a set of tools.
premise_logic: exists e1 x1 x2 x3 x4.(on(e1,x2) & with(x2,x4) & n_pickaxe(x4) & n_structure(x2) & (x2 = x3) & ne_org_earthen(x3) & Actor(e1,x1) & v_work(e1) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_tool(x2) & n_man(x1))
premise_sim: exists e1 x1 x2 x3 x4.(with(x2,x4) & v_work(e1) & on(e1,x2) & ne_org_earthen(x3) & n_structure(x2) & n_pickaxe(x4) & n_man(x1) & Actor(e1,x1) & (x2 = x3))
hypothesis_sim: exists e1 x1 x2.(v_have(e1) & n_tool(x2) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1))