Hello, my name is Astro Boy. I am very big and . Look! I have two big arms and two long . I like books at home. I can learn a lot from books. My favourite animals are the . They can run fast. This is me. Do you want to make a friend with me?
—It's a lemon.
—?
—It's sour.
—It's sweet and sour.
A. It's sour.
B. It's candy.
C. It's yellow.
D. Yes, it is.