It is certain that Mary went to the office. It is impossible that Antoine is thirsty. It is unlikely that Emily is a mouse. Chances are about even that if either 'Mary went to the office' or 'Emily is a mouse' but not both then Jessica is a cat. There is little chance that if 'Emily is a mouse and Mary went to the office' then Lily is white. It is unlikely that if 'Emily is a mouse' or 'Mary went to the office' or both then Brian is yellow.
It is likely that 'Jessica is a cat and Lily is white'.
It is impossible that 'Jessica is a cat and Lily is white'.
It is likely that 'Jessica is a cat and Lily is white'.

  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
  1.0::factA.
  0.0::factB.
  0.2::factC.
  %hop1
  0.5::factX:-xor(factA,factC).
  0.1::factY:-and(factC,factA).
  0.2::factZ:-or(factC,factA).

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

  query(conclusion).
  
'Jessica is a cat and Lily is white'.