premise: An old man looks at an unknown contraption from MakerBot Industries.
hypothesis: A gadget is being examined.
explanation_1: A gadget it a contraption.  A contraction is a gadget.  When something is examined it typically get looks at.
explanation_2: Gadget is a synonym of contraption, and being examined implies looks at.
explanation_3: The old man is looking at a contraption, or examining a gadget.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4.(ne_org_industries(x3) & (x3 = x4) & ne_org_makerbot(x4) & at(e1,x2) & from(x2,x3) & n_contraption(x2) & a_unknown(s2) & Theme(s2,x2) & Actor(e1,x1) & v_look(e1) & n_man(x1) & a_old(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1.(Theme(e1,x1) & v_examine(e1) & n_gadget(x1))