There is a very good chance that Lily is a rhino. It is probable that Antoine is hungry. It is highly likely that Winona is a sheep. Chances are slight that if 'Antoine is hungry and Winona is a sheep' then Jessica is a mouse. Chances are slight that if either 'Winona is a sheep' or 'Antoine is hungry' but not both then Greg is a frog. It is certain that if 'Lily is a rhino and Antoine is hungry' then Bernhard is a swan.
It is likely that 'Lily is a rhino and Jessica is a mouse'.
It is highly unlikely that 'Lily is a rhino and Jessica is a mouse'.
It is likely that 'Lily is a rhino and Jessica is a mouse'.

  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
  0.8::factA.
  0.7::factB.
  0.9::factC.
  %hop1
  0.1::factX:-and(factB,factC).
  0.1::factY:-xor(factC,factB).
  1.0::factZ:-and(factA,factB).

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

  query(conclusion).
  
'Lily is a rhino and Jessica is a mouse'.