Cartesian Product
$$A \times B =$$
{ (memorization, aquarius),
(memorization, aries),
(memorization, cancer),
(memorization, capricorn),
(memorization, gemini),
(memorization, leo),
(memorization, libra),
(memorization, pisces),
(memorization, sagittarius),
(memorization, scorpio),
(memorization, taurus),
(memorization, virgo),
(note taking, aquarius),
(note taking, aries),
(note taking, cancer),
(note taking, capricorn),
(note taking, gemini),
(note taking, leo),
(note taking, libra),
(note taking, pisces),
(note taking, sagittarius),
(note taking, scorpio),
(note taking, taurus),
(note taking, virgo),
(reading, aquarius),
(reading, aries),
(reading, cancer),
(reading, capricorn),
(reading, gemini),
(reading, leo),
(reading, libra),
(reading, pisces),
(reading, sagittarius),
(reading, scorpio),
(reading, taurus),
(reading, virgo),
(testing, aquarius),
(testing, aries),
(testing, cancer),
(testing, capricorn),
(testing, gemini),
(testing, leo),
(testing, libra),
(testing, pisces),
(testing, sagittarius),
(testing, scorpio),
(testing, taurus),
(testing, virgo),
(time management, aquarius),
(time management, aries),
(time management, cancer),
(time management, capricorn),
(time management, gemini),
(time management, leo),
(time management, libra),
(time management, pisces),
(time management, sagittarius),
(time management, scorpio),
(time management, taurus),
(time management, virgo) }
Astrological sign