*decisionthreshold=0.86
<(&/,(^pick,{SELF},$1),(^pick,{SELF},$2)) <|> <(*,{myNewOp},$1,$2) --> [called]>>.
<(*,{myNewOp},a,b) --> [called]>! :|:

Result:

  IN  SetDecisionThreshold(0.86)
  IN <(&/,(^pick,{SELF},$1),(^pick,{SELF},$2)) <|> <(*,{myNewOp},$1,$2) --> [called]>>. %1.00;0.90%
  IN <(*,{myNewOp},a,b) --> [called]>! :-4: %1.00;0.90%
 EXE $0.15;0.02;0.86$ ^pick([{SELF}, a])=null
 EXE $0.09;0.00;0.14$ ^pick([{SELF}, b])=null