It is probably the case that Julius is yellow. There is a better than even chance that Bernhard is a frog. It is almost certain that Brian is a rhino. It is impossible that if 'Brian is a rhino' or 'Julius is yellow' or both then Jeff moved to the garden. It is probable that if 'Brian is a rhino and Bernhard is a frog' then Mary left the football. It is highly likely that if 'Brian is a rhino' or 'Bernhard is a frog' or both then John put down the milk.
There is a better than even chance that 'Jeff moved to the garden' or 'Bernhard is a frog' or both.
There is a better than even chance that 'Jeff moved to the garden' or 'Bernhard is a frog' or both.
It is highly unlikely that 'Jeff moved to the garden' or 'Bernhard is a frog' or both.

  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
  0.7::factA.
  0.6::factB.
  0.95::factC.
  %hop1
  0.0::factX:-or(factC,factA).
  0.7::factY:-and(factC,factB).
  0.9::factZ:-or(factC,factB).

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

  query(conclusion).
  
'Jeff moved to the garden' or 'Bernhard is a frog' or both.