There is a better than even chance that Emily is a cat. It is highly likely that John moved to the garden. It is probably not the case that Daniel dropped the apple. It is improbable that if 'Emily is a cat' or 'John moved to the garden' or both then Julius is yellow. There is little chance that if 'Emily is a cat' or 'John moved to the garden' or both then Brian is a rhino. It is improbable that if either 'Emily is a cat' or 'Daniel dropped the apple' but not both then Sandra got the milk.
There is a better than even chance that 'Julius is yellow and Brian is a rhino'.
It is impossible that 'Julius is yellow and Brian is a rhino'.
There is a better than even chance that 'Julius is yellow and Brian is a rhino'.

  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.
  0.9::factB.
  0.25::factC.
  %hop1
  0.1::factX:-or(factA,factB).
  0.1::factY:-or(factA,factB).
  0.1::factZ:-xor(factA,factC).

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

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