premise: Several children in full riding gear are on horseback in a grassy field carrying polo equipment.
hypothesis: The children are at a class to learn how to play polo.
explanation_1: It is not clear whether the students are at a class or just playing the game.
explanation_2: children carrying polo equipment does not imply they are learn to play polo
explanation_3: The fact that there are several children in full riding gear are on horseback in a grassy field carrying polo equipment does not imply that they are at a class to learn how to play polo.
premise_logic: exists e1 p1 s1 s2 s3 x1 x2 x3 x4.(for(p1,e1) & Theme(e1,x4) & Actor(e1,x1) & v_carry(e1) & n_equipment(x4) & a_polo(s3) & Theme(s3,x4) & exists s4 x5 x6.(on(x1,x5) & in(x5,x6) & n_field(x6) & a_grassy(s4) & Theme(s4,x6) & n_horseback(x5)) & in(x1,x2) & n_gear(x2) & of(x2,x3) & n_riding(x3) & a_full(s2) & Theme(s2,x2) & n_child(x1) & a_several(s1) & Theme(s1,x1))
hypothesis_logic: exists p1 x1.(n_child(x1) & exists p2 x2.(at(x1,x2) & Topic(x2,p2) & exists e1 p3 s1.(Topic(e1,p3) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_play(e2) & n_polo(x3)) & a_how(s1) & Manner(e1,s1) & Actor(e1,x2) & v_learn(e1)) & n_class(x2)))
premise_sim: exists e1 p1 s1 s2 s3 x1 x2 x3 x4.(v_carry(e1) & of(x2,x3) & n_riding(x3) & n_gear(x2) & n_equipment(x4) & n_child(x1) & in(x1,x2) & for(p1,e1) & exists s4 x5 x6.(on(x1,x5) & n_horseback(x5) & n_field(x6) & in(x5,x6) & a_grassy(s4) & Theme(s4,x6)) & a_several(s1) & a_polo(s3) & a_full(s2) & Theme(s3,x4) & Theme(s2,x2) & Theme(s1,x1) & Theme(e1,x4) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_child(x1) & exists p2 x2.(n_class(x2) & exists e1 p3 s1.(v_learn(e1) & exists e2 x3.(v_play(e2) & n_polo(x3) & Theme(e2,x3) & Actor(e2,x2)) & a_how(s1) & Topic(e1,p3) & Manner(e1,s1) & Actor(e1,x2)) & at(x1,x2) & Topic(x2,p2)))