context: It is probable that Emily is a wolf. There is a very good chance that Mary went to the bedroom. There is almost no chance that Julius is green.
hypothesis: It is impossible that 'Emily is a wolf' or 'Julius is green' or both.
valid_hypothesis: It is probably the case that 'Emily is a wolf' or 'Julius is green' or both.
invalid_hypothesis: It is impossible that 'Emily is a wolf' or 'Julius is green' or both.
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.
    0.8::factB.
    0.02::factC.
    
  
    %hop2
    conclusion:-or(factA,factC).
  
    query(conclusion).
    
hypothesis_assertion: 'Emily is a wolf' or 'Julius is green' or both.