Circles, triangles, and squares are all names of shapes. A bowl might be in the shape of a circle, but the word bowl is not a shape name.

Violin, guitar, and trumpet are all types of musical instruments. A singer makes music, but a singer is a person and not an instrument.

Looking at the answer choices, three of the choices are colors: "blue", "purple", and "orange". "Run" is not a color, which makes it the word that does not belong with the others.

Broccoli, lettuce, and carrots are all types of vegetables. While you can still eat a banana, it is a fruit and not a vegetable.

Looking at the answer choices, three of the choices are colors: "red", "green", and "pink". "Hat" is not a color, which makes it the word that does not belong with the others.

Looking at the answer choices, three of the choices are clothes: "pants", "shirt", and "sweater". "Grass" is not a clothing item, which makes it the word that does not belong with the others.

Strawberries, raspberries, and blueberries are all types of fruit. While you can still eat cauliflower, it is a vegetable and not a fruit.

Looking at the answer choices, three of the choices are animals: "frog", "cat", and "fish". "Water" is not an animal, which makes it the word that does not belong with the others.

Tigers, lions, and cheetahs are all types of big cats and a walrus is not a big cat.

Tulips, sunflowers, and daisies are all types of flowers. While a palm tree still is beautiful, it is a tree and not a flower.