There is a better than even chance that Lily is a rhino. It is unlikely that Mary went to the garden. Chances are slight that Julius is white. It is impossible that if either 'Lily is a rhino' or 'Mary went to the garden' but not both then Emily is a wolf. It is probably the case that if 'Julius is white and Mary went to the garden' then Bernhard is a swan. It is highly unlikely that if 'Julius is white' or 'Lily is a rhino' or both then Greg is green.
It is highly unlikely that 'Lily is a rhino and Julius is white'.
It is highly unlikely that 'Lily is a rhino and Julius is white'.
There is a better than even chance that 'Lily is a rhino and Julius 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
  0.6::factA.
  0.2::factB.
  0.1::factC.
  %hop1
  0.0::factX:-xor(factA,factB).
  0.7::factY:-and(factC,factB).
  0.05::factZ:-or(factC,factA).

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

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