Union
$$A \cup B =$$
{ Analytical, Argumentative, Expository, Narrative, Persuasive, bitter, salty, savory, sour, sweet }
Symmetric Difference
$$A \ominus B =$$
{ Analytical, Argumentative, Expository, Narrative, Persuasive, bitter, salty, savory, sour, sweet }
Cartesian Product
$$A \times B =$$
{ (Analytical, bitter),
(Analytical, salty),
(Analytical, savory),
(Analytical, sour),
(Analytical, sweet),
(Argumentative, bitter),
(Argumentative, salty),
(Argumentative, savory),
(Argumentative, sour),
(Argumentative, sweet),
(Expository, bitter),
(Expository, salty),
(Expository, savory),
(Expository, sour),
(Expository, sweet),
(Narrative, bitter),
(Narrative, salty),
(Narrative, savory),
(Narrative, sour),
(Narrative, sweet),
(Persuasive, bitter),
(Persuasive, salty),
(Persuasive, savory),
(Persuasive, sour),
(Persuasive, sweet) }