premise: A man wearing a Santa hat holds up a photo to the class.
hypothesis: A man shows a picture of an elf to the class.
explanation_1: The photo may not have an elf in it.
explanation_2: Santa holding a photo does not imply that the photo is an elf.
explanation_3: Just because the man in the Santa hat holds up a picture does not mean the picture is of an elf.
premise_logic: exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(n_class(x6) & a_up(s1) & Manner(e2,s1) & Theme(e2,x5) & Actor(e2,x1) & v_hold(e2) & to(x5,x6) & n_photo(x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & (x3 = x4) & ne_org_santa(x4) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4.(n_class(x4) & Theme(e1,x2) & Actor(e1,x1) & v_show(e1) & of(x2,x3) & to(x3,x4) & n_elf(x3) & n_picture(x2) & n_man(x1))