Chances are about even that Mary moved to the office. It is probably the case that Julius is a lion. It is probably not the case that Lily is a rhino. It is probable that if either 'Mary moved to the office' or 'Julius is a lion' but not both then Daniel grabbed the apple. It is probably not the case that if either 'Julius is a lion' or 'Lily is a rhino' but not both then Greg is yellow. Chances are slight that if 'Julius is a lion and Mary moved to the office' then Brian is green.
Chances are about even that 'Daniel grabbed the apple' or 'Lily is a rhino' or both.
Chances are about even that 'Daniel grabbed the apple' or 'Lily is a rhino' or both.
It is almost certain that 'Daniel grabbed the apple' or 'Lily is a rhino' 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
  0.5::factA.
  0.7::factB.
  0.25::factC.
  %hop1
  0.7::factX:-xor(factA,factB).
  0.25::factY:-xor(factB,factC).
  0.1::factZ:-and(factB,factA).

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

  query(conclusion).
  
'Daniel grabbed the apple' or 'Lily is a rhino' or both.