Multiple choice Which cluster has all the words that belong to the headword ‘sign’? Flag, warning, note, omen, obscurity Zodiac, math, contract, disease, omen Astrology, footprints, mark, logic, cleanliness Representation, token, arithmetic, Libra, hidden Ad, notice, dark, contract, business Reveal answer Fill a bubble to check yourself B Correct answer Explanation All of these words are associated with sign. Think about the zodiac signs. In mathematics, we use very many signs. A contract will be null and void without a sign. A sign may also be an indication of the presence of a disease.