There is little chance that Winona is a sheep. It is almost certain that Daniel took the football. It is probably the case that Brian is a rhino. It is highly likely that if either 'Brian is a rhino' or 'Winona is a sheep' but not both then Julius is gray. It is probable that if either 'Daniel took the football' or 'Brian is a rhino' but not both then John dropped the milk. There is almost no chance that if either 'Daniel took the football' or 'Winona is a sheep' but not both then Lily is green.
It is improbable that 'Brian is a rhino and Julius is gray'.
There is a better than even chance that 'Brian is a rhino and Julius is gray'.
It is improbable that 'Brian is a rhino and Julius is gray'.

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

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

  query(conclusion).
  
'Brian is a rhino and Julius is gray'.