We doubt that Mary put down the apple. It is probably not the case that Emily is a mouse. There is a better than even chance that John went to the office. It is likely that if either 'Emily is a mouse' or 'John went to the office' but not both then Sandra is in the kitchen. There is little chance that if either 'John went to the office' or 'Mary put down the apple' but not both then Bernhard is yellow. Chances are about even that if 'John went to the office and Emily is a mouse' then Julius is a lion.
There is almost no chance that 'Mary put down the apple and Julius is a lion'.
There is almost no chance that 'Mary put down the apple and Julius is a lion'.
It is almost certain that 'Mary put down the apple 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
  0.2::factA.
  0.25::factB.
  0.6::factC.
  %hop1
  0.7::factX:-xor(factB,factC).
  0.1::factY:-xor(factC,factA).
  0.5::factZ:-and(factC,factB).

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

  query(conclusion).
  
'Mary put down the apple and Julius is a lion'.