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  1. \item \self
  2. Listed are the participants of a seminar as well as their choice of snacks. Find a symbolic encodings for the participants.
  3. For for this encoding, give the symbolic representation of the set $B$ of all participants that ordered \emph{bananas}, and the set $C$ of all participants that ordered cake.
  4. \begin{tabular}{l|l}
  5. Name & Snack \\
  6. \hline
  7. Alice & banana \\
  8. Bob & cake \\
  9. Carl & banana \\
  10. David & banana \\
  11. Eve & cake \\
  12. Frank & cake \\
  13. Greg & orange \\
  14. Hank & cake \\
  15. \end{tabular}