input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Hello! Nice to meet you. Now let me introduce myself to you. My name is Mary. I'm 12 years old. I'm from Canada and I speak English. I'm a tall girl. I have long brown hair and big blue eyes. I like _ a lot. I often sing songs with my friends in my free time. I have a happy family. There are four people in my family. They are my mom, my dad, my sister and me. I like China very much and I want to visit Beijing, but I can't speak Chinese at all. I hope to be your friend, then we can help each other with English and Chinese. ,. Options: A America B Canada C England D China Answer: B Canada Question:???
output answer: Mary comes from _ .

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: There are many kinds of animals in the zoo. Look! There are two lions. They are very big and smart. Near them there is a small elephant. She is from Africa. She likes to eat grass. Oh, is there a koala? Of course. There is a two-year-old koala. He always sleeps in the day and at night he gets up and eats leaves. I like pandas best. There is one in the zoo. She is five years old. She is very beautiful, but she's very shy. Do you like her? Options: A shy B beautiful C friendly D smart Answer: D smart Question:???
output answer: These lions are very _ .

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Mary picked up a pencil and a piece of paper,saying,"Now,you want to earn money for the autumn camping trip,right?" Tom,her brother,nodded.He wasn't able to go last year because he hadn't earned enough money during the summer.This year he came up with a plan. He made a necklace for his mother that everyone admired.They were surprised to learn that Tom had made it for her.Why not make more necklaces and sell them? "OK," said Mary,"The first thing you need to do is to figure out how much you have now.'' "I have $20.00 in the bank,and $7.25 in my room," explained Tom. "That gives you a total of $27.25," said Mary,"That is called your capital.The next thing you need to know is how much it will cost you to make each necklace." "Well,the pet shop will give me all the feathers the birds lose.I'll have to buy the beads and string," said Tom. Mary wrote on the piece of paper: CAPITAL $27.25 EXPENSES Feathers no cost String for 10 necklaces $ 2.50 Beads for 10 necklaces _ Total $ 17.50 "How much do you think you can sell such a necklace for?" asked Mary. "Hmm," Tom looked thoughtful and said,"There's a shop in town that sells almost the same kind of necklace for $ 7.50.If I charge $ 6.00,people will think that's a _ ." "OK.If you sell each necklace for $ 6.00,you'll make a good profit on each then," said Mary. "Hurray!" Tom cried,"If I sell 20 necklaces,I'll have enough from the profit for the camping trip and $10.00 left over." Options: A How to Make Necklaces B How to Sell Necklaces C How to Make a Plan D How to Earn Money for a Trip Answer: D How to Earn Money for a Trip Question:???
output answer: What's the best title for this story?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: You've probably heard of working dogs that help police officers, or horses that help farmers. Did you know that carrier pigeons can be trained to help people too? Here are some examples. Mailman Carrier pigeons can be trained to carry messages to people. The note is placed into a small can. The can is tied to the pigeon's leg. Then the pigeon flies off with the note. Lifeguard From high up in the sky, specially trained pigeons can find orange life jackets in the ocean. Sometimes it is difficult for humans to find people lost at sea, especially when the weather is bad. However, pigeons can fly quickly over a large area of water to look for people. Spy Many years ago, carrier pigeons were used to help our country during wars . "Spy pigeons" had small cameras that were tied to their feet. As a pigeon flew over enemy land, the camera took photos of the land below. This would allow our soldiers to see where the enemies were and what they were doing. So next time you see a pigeon, stop and watch it closely. What might look like an ordinary bird to most people, might actually be helpful. Options: A To make readers like pigeons more. B To teach readers about the lives of wild pigeons. C To tell readers about real jobs held by carrier pigeons. D To share science fictions about pigeons helping people. Answer: C To tell readers about real jobs held by carrier pigeons. Question:???
output answer:
What is the purpose of writing this article?