We doubt that Daniel grabbed the milk. It is certain that John went to the garden. It is certain that Lily is a lion. It is unlikely that if 'Lily is a lion and John went to the garden' then Antoine is hungry. We doubt that if 'Lily is a lion and Daniel grabbed the milk' then Greg is yellow. It is probably the case that if 'John went to the garden and Lily is a lion' then Fred is in the cinema.
There is a very good chance that 'John went to the garden and Antoine is hungry'.
It is unlikely that 'John went to the garden and Antoine is hungry'.
There is a very good chance that 'John went to the garden and Antoine is hungry'.

  and(A,B) :- A,B.
  or(A,B) :- A;B.
  nand(A,B) :- not(and(A,B)).
  nor(A,B) :- not(or(A,B)).
  xor(A,B) :- or(A,B), nand(A,B).

  %hop0
  0.2::factA.
  1.0::factB.
  1.0::factC.
  %hop1
  0.2::factX:-and(factC,factB).
  0.2::factY:-and(factC,factA).
  0.7::factZ:-and(factB,factC).

  %hop2
  conclusion:-and(factB,factX).

  query(conclusion).
  
'John went to the garden and Antoine is hungry'.