It is highly likely that Brian is yellow. We doubt that Jessica is a cat. There is a better than even chance that Bernhard is green. It is probable that if either 'Jessica is a cat' or 'Brian is yellow' but not both then Sandra took the milk. It is almost certain that if 'Jessica is a cat and Bernhard is green' then Mary got the apple. There is little chance that if 'Brian is yellow and Bernhard is green' then Antoine is hungry.
There is a better than even chance that 'Antoine is hungry and Brian is yellow'.
It is highly unlikely that 'Antoine is hungry and Brian is yellow'.
There is a better than even chance that 'Antoine is hungry and Brian is yellow'.

  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
  0.9::factA.
  0.2::factB.
  0.6::factC.
  %hop1
  0.7::factX:-xor(factB,factA).
  0.95::factY:-and(factB,factC).
  0.1::factZ:-and(factA,factC).

  %hop2
  conclusion:-and(factZ,factA).

  query(conclusion).
  
'Antoine is hungry and Brian is yellow'.