In this task, you're given an article, a question which often contains a blank and four options (associated with "A", "B", "C", "D"). Your task is to find the correct answer (from the given options) for the question from the given article and return one of the options from "A", "B", "C", and "D". Do not generate anything else apart from one of the following characters: "A", "B", "C", "D". There is only one correct answer for each question.

[EX Q]: Article: Mark Twain left school when he was twelve. He had little school education. In spite of this, he became the most famous writer of his time. He made millions of dollars by writing. His real name was Samuel Langhorne Clemens, but he is better known to all over the world as Mark Twain, his penname. Mark Twain was born in 1835 and he was not a healthy baby. In fact, he was not expected to live through the first winter. But with his mother's care, he managed to survive. As a boy, he caused much trouble for his parents. He used to play jokes on all his friends and neighbors. He didn't like to go to school, and he often ran away from home. He always went in the direction of the nearby Mississippi. He was nearly drowned nine times. After his father's death, Mark Twain began to work for a printer, who only provided him with food and clothing. Then, he worked as a printer, a river-boat pilot and later joined the army. But shortly after that he became a miner. During this period, he started to write short stories. Afterwards, he became a full-time writer. In 1870, Mark Twain got married. In the years that followed he wrote many books including The Adventures of Tom Sawyer in 1876, and The Adventures of Huckleberry Finn in 1884, which made him famous, and brought him great fortune. Unfortunately, Mark Twain got into debts in bad investments and he had to write large numbers of stories to pay these debts. In 1904, his wife died, and then three of his children passed away. At the age of 70, his hair was completely white. He bought many white suits and neckties. He wore nothing but white from head to foot until his death on April 21, 1910.
Question: In Mark Twain's childhood, _ .
Options: (A) he learned a lot at school (B) his mother often worried about his safety (C) he often went swimming with other boys (D) he often played games with other boys
[EX A]: B

[EX Q]: Article: Every child has written their names on the beach at some point. But whereas most people's "handwriting" is washed away, one super-rich Arab sheikh has ensure that his graffiti will last a little longer. Hamad Bin Hamdan Al Nahyan, 63, has scrawled his name in sand on an island he owns with letters so big that they be seen from space. The word "HAMAD" measures 1,000 meters high and is a staggering two miles long from the "H" to the "D" on the Al Futaisi Island. And rather than allow the writing to be washed away by the ocean, the letters actually form waterways that absorb the encroaching tide. The ruler's name is even visible on Google's map service. Hamad dreamed up the idea and had his workmen work hard for weeks to craft the enormous piece of sand graffiti. It is not known how much it cost to make. However, the sheikh boasts a personal fortune second to the Saudi king's. Hamad, also known as the "Rainbow Sheikh", is a member of the Abu Dhabi Ruling Family. He is understood to have some 200 cars including seven Mercedes 500 SELs painted in different colors of the rainbow which he stores in a giant pyramid. The Arab sheikh had a taste for doing things on a large scale. He built the world's largest truck--eight times the size of the Dodge Power Wagon, with four bedrooms inside the cabin. Hamad constructed a motor home in the shape of a giant globe which is exactly 1 millionth the size of the actual earth. Alongside his displays of wealth he has become a well-known philanthropist in medicine and supplied a complete Kinney stone operating theatre to a public hospital in Morocco where he continues to fund its stuff.
Question: Which of the following in NOT true according to the passage?
Options: (A) Hamad is a man who wants himself to be well-known from apace. (B) Hamad is a super-rich person who always does something unusual. (C) Hamad is a man who is always so mean in his family (D) Hamad is a man who boasts his fortune is second to the Saudi king's
[EX A]: C

[EX Q]: Article: How much rain has fallen on the earth in the past? Man has not always kept weather records. Because scientists need a way to learn about past rainfall, they study the tree rings. A tree's trunk keeps growing year by year. Under its bark , a tree adds a layer of new wood each year it lives. If you look at a tree stump, you can see the layers. They are called annual ring . On some trees, all of the rings are of the same width. But the ponderosa that grows in the American southwest have rings in different withes. The soil in he southwest is dry. The pines depend on rainfall for water. In a year of good rainfall, they form wide rings. In a dry year, they form narrow ones. Scientists do not have to cut down a pine to study its rings. With a special tool, they remove a narrow piece of wood from the trunk without harming the tree. Then they look at the width of each ring to see how much rain fell in the year it formed. Some pines are hundreds of years old and have hundreds of rings. These rings are from an annual record o0f past rainfall in the southwest.
Question: We could infer from the passage that _ .
Options: (A) a tree grows faster when it has a lot of water (B) scientists cut down trees to study tree rings (C) pine trees form rings of he same width every year (D) the ponderosa grows in he southeast
[EX A]:
A