Разделите существительные на 3 колонки по родовому признаку: a chicken, an opportunity, a cow, a match, mathematics, matrimony, tea, a cat, a potato, a cousin, an ox, a grandmother, a sister-in-law, a friend, a berry, blood, a woman, the summer, an autobiography, a lion, war, silver, a spoon, a blouse, a roof, the hail, the scales, the scissors, hair, a hair-do, a hand, a ship, a position, the sea, the wind, a relative, the moon, australia.