将给定的100个单词组成的列表分成五组，每组包含20个单词，并针对每组单词构建一个主题。
airplane, butterfly, computer, elephant, football, guitar, hospital, ice cream, jacket, kangaroo, lion, milkshake, ninja, orange, piano, queen, rabbit, soccer, telescope, umbrella, violin, wine, xylophone, yoga, zebra, apple, bird, car, dog, eggplant, fire, golf, horse, igloo, jeans, kite, lemon, microphone, necklace, octopus, pineapple, quilt, rose, snowman, telephone, unicorn, volcano, watermelon, xylophone, yogurt, zipper, astronaut, beach, chocolate, dance, ear, flute, garden, hat, island, jellyfish, key, lemonade, mouse, night, owl, pencil, quilt, rock, sun, turtle, universe, vase, water, xylophone, yellow, zoo.
主题1：音乐类 - guitar, piano, violin, xylophone, flute, rock, jazz, microphone
主题2：食物类 - ice cream, milkshake, orange, wine, apple, lemon, pineapple, watermelon, yogurt, chocolate
主题3：动物类 - butterfly, elephant, kangaroo, lion, rabbit, zebra, dog, horse, owl, turtle
主题4：自然环境类 - volcano, beach, garden, island, sun, universe, water, night, snowman, flower
主题5：日常用品 - airplane, computer, jacket, umbrella, telephone, hat, key, necklace, pencil, vase