We doubt that Julius is a rhino. It is unlikely that Emily is a wolf. It is probably the case that Brian is a lion. It is certain that if 'Julius is a rhino' or 'Emily is a wolf' or both then Jason is tired. There is a better than even chance that if either 'Brian is a lion' or 'Julius is a rhino' but not both then Daniel got the football. It is probable that if 'Emily is a wolf and Brian is a lion' then Bernhard is green.
There is little chance that 'Bernhard is green and Brian is a lion'.
There is little chance that 'Bernhard is green and Brian is a lion'.
It is certain that 'Bernhard is green and Brian 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
  0.2::factA.
  0.2::factB.
  0.7::factC.
  %hop1
  1.0::factX:-or(factA,factB).
  0.6::factY:-xor(factC,factA).
  0.7::factZ:-and(factB,factC).

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

  query(conclusion).
  
'Bernhard is green and Brian is a lion'.