premise: A man rides a black motorcycle while wearing a helmet and a van rides beside him in the distance.
hypothesis: A man rides a black motorcycle while wearing a helmet and a pizza delivery van rides beside him in the distance.
explanation_1: Just because a man rides a black motorcycle while wearing a helmet and a van rides beside him in the distance does not mean it is a pizza delivery van.
explanation_2: Just because a man rides a black motorcycle while wearing a helmet and a van rides beside him in the distance does not mean it is a pizza delivery van.
explanation_3: Not all vans are pizza delivery vans.
premise_logic: exists e3 e2 e1 s1 s2 x1 x2 x3 x4 x5.(n_distance(x5) & in(e3,x5) & a_beside(s2) & Manner(e3,s2) & Theme(e3,x1) & Actor(e3,x4) & v_ride(e3) & n_male(x1) & n_van(x4) & while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_wear(e2) & n_helmet(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_motorcycle(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists e3 e2 e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_distance(x7) & in(e3,x7) & a_beside(s2) & Manner(e3,s2) & Theme(e3,x1) & Actor(e3,x4) & v_ride(e3) & n_male(x1) & ne_nam_van(x4) & of(x4,x6) & n_delivery(x6) & of(x4,x5) & n_pizza(x5) & while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_wear(e2) & n_helmet(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_motorcycle(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))