context: It is probable that Daniel dropped the apple. It is probably not the case that Jessica is a wolf. It is impossible that Gertrude is a mouse.
hypothesis: It is probable that 'Daniel dropped the apple and Jessica is a wolf'.
valid_hypothesis: It is unlikely that 'Daniel dropped the apple and Jessica is a wolf'.
invalid_hypothesis: It is probable that 'Daniel dropped the apple and Jessica is a wolf'.
problog: 
    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.
    0.0::factC.
    
  
    %hop2
    conclusion:-and(factA,factB).
  
    query(conclusion).
    
hypothesis_assertion: 'Daniel dropped the apple and Jessica is a wolf'.