premise: Two children are petting a calf.
hypothesis: Two children are chasing a calf around the yard
explanation_1: The children cannot be petting  and chasing a calf at the same time.
premise_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_pet(e1) & n_calf(x2) & n_child(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2 x3.(n_yard(x3) & around(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_calf(x2) & n_child(x1) & card_eq_2(x1))
premise_sim: exists e1 x1 x2.(v_pet(e1) & n_child(x1) & n_calf(x2) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2 x3.(v_chase(e1) & n_yard(x3) & n_child(x1) & n_calf(x2) & card_eq_2(x1) & around(e1,x3) & Theme(e1,x2) & Actor(e1,x1))