premise: Asian individuals are taking pictures of some unidentified thing.
hypothesis: Asians spot what they think is a UFO and take pictures.
explanation_1: All unidentified things are UFO
explanation_2: First sentence does not tell us that the people think the object is a UFO.
explanation_3: The unidentified thing could be anything not just a UFO
premise_logic: exists e1 s1 s2 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & of(x2,x3) & n_thing(x3) & a_unidentified(s2) & Theme(s2,x3) & n_picture(x2) & n_individual(x1) & a_asian(s1) & Theme(s1,x1))
hypothesis_logic: exists e2 e1 e3 p1 x1 x2 x3 x4 x5 x6 x7 x8.(Theme(e3,x8) & Actor(e3,x4) & v_take(e3) & n_picture(x8) & Theme(e2,x7) & Actor(e2,x6) & v_think(e2) & (x4 = x7) & n_thing(x6) & n_spot(x4) & (x4 = x5) & ne_nam_asians(x5) & exists x9.((x1 = x9) & ne_org_ufo(x9)) & Theme(e1,x3) & Actor(e1,x1) & v_think(e1) & (x1 = x3) & n_thing(x1) & n_spot(x1) & (x1 = x2) & ne_nam_asians(x2))