It is probably not the case that Jason is tired. We doubt that Lily is a frog. It is probable that John moved to the garden. It is probably the case that if 'John moved to the garden' or 'Jason is tired' or both then Julius is a rhino. It is probably the case that if 'Jason is tired' or 'Lily is a frog' or both then Jessica is a sheep. Chances are about even that if 'Jason is tired and Lily is a frog' then Mary went to the office.
It is unlikely that 'Jessica is a sheep and Jason is tired'.
It is unlikely that 'Jessica is a sheep and Jason is tired'.
There is a very good chance that 'Jessica is a sheep and Jason is tired'.

  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
  0.25::factA.
  0.2::factB.
  0.7::factC.
  %hop1
  0.7::factX:-or(factC,factA).
  0.7::factY:-or(factA,factB).
  0.5::factZ:-and(factA,factB).

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

  query(conclusion).
  
'Jessica is a sheep and Jason is tired'.