premise: Under a blue sky with white clouds, a child reaches up to touch the propeller of a plane standing parked on a field of grass.
hypothesis: A child is reaching to touch the propeller out of curiosity.
explanation_1: We don't know why the child is touching the propellor. It could be curiosity or any other emotion or reason.
explanation_2: A child may touch a propeller for many reasons, it is not implied that he wants to touch it out of curiosity.
explanation_3: Just because a child reaches to touch a propeller it does not mean it is out of curiosity.
premise_logic: exists e1 p1 s1 s2 s3 x1 x2 x3 x4.(n_propeller(x4) & under(e1,x2) & with(x2,x3) & n_cloud(x3) & a_white(s3) & Theme(s3,x3) & n_sky(x2) & a_blue(s2) & Theme(s2,x2) & a_up(s1) & Manner(e1,s1) & Topic(e1,p1) & Actor(e1,x1) & v_reach(e1) & exists e3 e2 e4 x5 x6 x7 x8.(Theme(e4,x4) & Actor(e4,x1) & v_touch(e4) & of(x4,x5) & for(e2,e3) & on(e3,x7) & of(x7,x8) & n_grass(x8) & n_field(x7) & Theme(e3,x6) & v_park(e3) & Actor(e2,x6) & v_stand(e2) & (x5 = x6) & n_plane(x5)) & n_child(x1))
hypothesis_logic: exists e1 p1 x1 x2.(n_propeller(x2) & Topic(e1,p1) & Actor(e1,x1) & v_reach(e1) & exists e2 x3.(of(e2,x3) & n_curiosity(x3) & r_out(e2) & Theme(e2,x2) & Actor(e2,x1) & v_touch(e2)) & n_child(x1))