It is likely that Antoine is bored. It is probably not the case that Greg is a swan. It is probably not the case that Emily is a wolf. It is impossible that if either 'Antoine is bored' or 'Greg is a swan' but not both then Jessica is a sheep. It is likely that if either 'Antoine is bored' or 'Greg is a swan' but not both then Sandra left the milk. It is improbable that if 'Antoine is bored' or 'Emily is a wolf' or both then Bernhard is green.
It is highly likely that 'Antoine is bored and Jessica is a sheep'.
It is impossible that 'Antoine is bored and Jessica is a sheep'.
It is highly likely that 'Antoine is bored and Jessica is a sheep'.

  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.
  0.25::factB.
  0.25::factC.
  %hop1
  0.0::factX:-xor(factA,factB).
  0.7::factY:-xor(factA,factB).
  0.1::factZ:-or(factA,factC).

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

  query(conclusion).
  
'Antoine is bored and Jessica is a sheep'.