Assume a company with 200 employees. A new security policy demands encrypted message exchange using private key cryptography. To support different encryption algorithms (Julius Caeser), you decide to create a Crypto interface to the different encryption / decryption implementation details of managing secrets.

Which of the following  bestillustrates a negative reinforcer?               a.  copland gives up candy to stave off chronic acid indigestion.    b.  nancy learns that she prefers chocolate over vanilla.    c.  carmine changes his major to english lit after failing a math exam.    d.  on a hot day, lindberg always drinks lemonade.