premise: Old man crafting something in his workshop.
hypothesis: An old man is working.
explanation_1: the old man is in the work shop crafting something, so he is working.
explanation_2: When in a workshop, someone does work.
explanation_3: Crafting is another term for working, normally on a creative project.
premise_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_craft(e1) & in(x3,x4) & n_workshop(x4) & of(x4,x1) & n_male(x1) & n_thing(x3) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1.(Actor(e1,x1) & v_work(e1) & n_man(x1) & a_old(s1) & Theme(s1,x1))