There is a better than even chance that Daniel dropped the milk. There is little chance that Julius is a lion. We doubt that Jeff left the apple. There is little chance that if 'Jeff left the apple' or 'Julius is a lion' or both then Lily is a rhino. There is a better than even chance that if 'Jeff left the apple and Julius is a lion' then Mary went to the bedroom. It is probably the case that if either 'Julius is a lion' or 'Jeff left the apple' but not both then Bernhard is a frog.
There is almost no chance that 'Lily is a rhino and Julius is a lion'.
There is almost no chance that 'Lily is a rhino and Julius is a lion'.
It is probably the case that 'Lily is a rhino and Julius is a lion'.

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

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

  query(conclusion).
  
'Lily is a rhino and Julius is a lion'.