input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Billy always loved blueberries. They were his favorite fruit. Today he was going to make juice with his uncle. His uncle liked to make juice out of everything. He made carrot juice, apple juice, vegetable juice, and more juices. He had never made blueberry juice before though! First, Billy and his uncle went to a blueberry farm. They were each given a basket. They picked for an hour and got several pounds. It was hard work picking the little berries from the trees. Now Billy understood why they were expensive in the store. Next, they had to wash the fruit. Some of them still had leaves. Those had to be pulled off. Then the bad berries had to be thrown away. They washed the berries and made them air-dry. After that, they pushed the blueberries through a strainer . The strainer caught most of the seeds and skins, and only left a small glass of dark purple juice to _ When they tasted the juice, it wasn't very sweet. Billy's uncle didn't want to add white sugar to the juice. It was better to use a naturally sweet juice, like apple juice, pear juice, or grape juice. They used grape juice as a sweetener , because grapes had a similar color to the blueberries. Finally, they could drink it. It was a lot of work to make juice, but it sure was refreshing! Options: A carrot B blueberry C apple D vegetable Answer: B blueberry Question:
++++++++++
output: Billy's uncle hadn't made _ juice before.

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Every year there is a Spring Festival in China. Usually it is in January or February. It is the most important festival in China. So before it comes, everyone has to prepare things. They buy pork, beef, chicken, fruits and many other things. And they often make a special kind of food--"dumplings". It means "come together". On the day before the festival, parents buy new clothes for their children. Children also buy presents for their parents. On the Spring Festival Eve , all the family members come back to their hometown. This is a happy moment. Some sing and dance, some play cards and others get the dinner ready. When they enjoy the meal, they give each other the best wishes for the coming year. They all have a good time. ,,. (5 ,2,10) Options: A give each other the best wishes B buy each other presents C sing, dance and play cards D play cards Answer: A give each other the best wishes Question:
++++++++++
output: The family _ when they are having dinner together on the Spring Festival Eve.

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Rick is a good man.He makes birthday cakes in a shop.His cakes are great and have very good prices,so many people buy his cakes.He makes friends with lots of his customers .They all like him very much.One evening.he wants to go home,but many of his old customers come in.Rick smiles to them,"I am sorry.It is late today.If you need cakes,please come tomorrow."One of them takes out a nice cake and says to him,"You make so many great cakes for us.This birthday cake is for you.Happy birthday, Rick." Options: A many cakes B a birthday cake C some money D some fruit Answer: B a birthday cake Question:
++++++++++
output: His customers give him _ .

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: It was a dark and stormy night. I was about to go to bed when I heard a tapping sound on my window. "Who's there?" I shouted. Suddenly there was a flash of lighting; I saw a face at the window. It looked like an alien that I have seen on the television show. I felt very scared. I ran to my bed and pulled my blanket over my head. I started to shout for my parents but there was no reply. Then I remembered that they were at a dress party. After a while my head showed up out of my blanket but it was too dark to see anything. Then I heard footsteps. They were getting louder and louder. It was dark but I knew the way to drawer where I kept my camera. I ran there and took out my camera and started to take pictures in the direction of the window. Soon the footsteps _ , maybe because of my taking picture. The grandfather clock struck...It was 12 midnight. I went back to my bed and tried to sleep. But I couldn't sleep. I felt too frightened. I sat up; my mind was full of thoughts. Time passed, one o'clock, two o'clock, ... Finally, I fell asleep. I woke up only after eight and decided to find out the truth. I found some footprints outside my bedroom window. I measured them with a tape and found them to be exactly the same size as my father's shoes. The footprints ended at the door of my house. I then went to town to get the film developed . But when I saw the photos, they were black and I could hardly see anything. Then I remembered that I did not use the flash. When I reached home, I told my father the whole matter and he started to laugh. I also started laughing when he told me that he had dressed up as an alien for the party. Options: A He had heard a strange dream for the kid. B He thought the writer was a coward kid. C He thought he dressed up as an alien successfully. D He found out the truth about the alien last night. Answer: C He thought he dressed up as an alien successfully. Question:
++++++++++
output:
Why did the writer's father laugh?