You are given a paragraph, a question and some answer options (associated with "A", "B", "C", "D", etc.) You need to list all the correct answer options with their associated letters (e.g. "A" can be a valid answer). Note that sometimes, more than one option can answer the question correctly and completely. In those cases, please generate all such options separated by a comma (e.g. "A, B" is a valid answer). Do not generate anything else apart from one or more of the following characters: 'A', 'B, 'C', 'D', etc.

[EX Q]: Paragraph- Sent 1: Late on the next Sunday afternoon Gifford had gone for a country walk which he had arranged to bring him round in time for the evening service at the little village church of Wynford standing just outside the park boundary.
Sent 2: His way took him by well-remembered field-paths which, although towards the end of his walk darkness had set in, he had no difficulty in tracing.
Sent 3: The last field he crossed brought him to a by-road joining the highway which ran through Wynford, the junction being about a quarter of a mile from the church.
Sent 4: As he neared the stile which admitted to the road he saw, on the other side of the hedge and showing just above it, the head of a man.
Sent 5: At the sound of his footsteps the man quickly turned, and, as for a moment the fitful moonlight caught his face, Gifford was sure he recognized Gervase Henshaw.
Sent 6: But he took no notice and kept on his way to the stile, which he crossed and gained the road.
Sent 7: As he did so he glanced back.
Sent 8: A horse and trap was waiting there with Henshaw in it.
Sent 9: He was now bending down, probably with the object of concealing his identity, and had moved on a few paces farther down the road.
Question: Who was trying to conceal his identity? (A) Gervase Henshaw (B) Gervase Henshaw was trying to conceal his identity (C) Wynford.
[EX A]: A, B.

[EX Q]: Paragraph- Sent 1: Over the centuries, the living here has always been easy enough to attract a steady stream of immigrants.
Sent 2: Bountiful food sources might have made Malaysia an inviting place for the contemporaries of Java Manin 230,000 b.c.
Sent 3: But thus far, the country's earliest traces of homo sapiens, found in the Niah Caves of northern Sarawak, are fragments of a skull dating to 40,000 b.c.
Sent 4: On the peninsula, the oldest human-related relics (10,000 b.c.
Sent 5: ) are Stone Age tools of the Negritos.
Sent 6: These small, dark Melanesians are related in type to Australian aborigines and are confined today to the forests of the northern highlands.
Sent 7: By 2,000 b.c.
Sent 8: , these timid, gentle nomads hunting with bow and arrow were driven back from the coasts by waves of sturdy immigrants arriving in outrigger canoes equipped with sails.
Sent 9: Mongolians from South China and Polynesian and Malay peoples from the Philippines and the Indonesian islands settled along the rivers of the peninsula and northern Borneo.
Sent 10: They practiced a slash-and-burn agriculture of yams and millet, a technique that exhausted the soil and imposed a semi-nomadic existence from one jungle clearing to another.
Sent 11: Families lived in wooden longhouses like those still to be seen today among the Iban peoples of Sarawak.
Sent 12: Another unit was added on to the communal dwelling each time a marriage created a new family.
Sent 13: Other tough migrants from the South Seas settled along the coastssailors, fishermen, traders (for the most part pirates)known euphemistically as orang laut (sea people).
Question: What did the Mongolians and Malay do to the Negritos? (A) They settled on their land (B) They drove them back when they landed on the shores (C) They drove them back from the coast (D) Drove them back from the coasts (E) They gave special place for them.
[EX A]: A, B, D.

[EX Q]: Paragraph- Sent 1: Billy and Sally are brother and sister.
Sent 2: Billy is seven and Sally is eight.
Sent 3: Their mother, Deborah, likes to have Billy and Sally dress up in costumes and play a game where they are answering the telephone.
Sent 4: Usually when they play the game, Billy answers the telephone in a loud voice, and Sally answers the telephone in a quiet voice.
Sent 5: On Tuesdays, Billy answers in a quiet voice, and Sally answers in a loud voice.
Sent 6: On Fridays, Billy answers in a loud voice and Sally in a quiet voice.
Sent 7: Billy has blonde hair.
Sent 8: Sally has brown hair.
Sent 9: Deborah has blonde hair, and Billy and Sally's father, Bob, has brown hair.
Sent 10: He tells them to eat lettuce every time that he sees them, so that they grow big and strong like he is.
Sent 11: Deborah likes to add some sugar with the lettuce so that Billy and Sally know what it is like to have sweet tastes in their life.
Sent 12: One day, a Wednesday, Billy throws some lettuce into Sally's hair.
Sent 13: Deborah laughs an grabs some straw from their farm and puts it in Billy's hair.
Sent 14: Billy and Sally live on a farm.
Sent 15: They have a goat, named Joey, and a duck, named Quack.
Sent 16: They sometimes play a game with the goat where they chase him around the farm.
Sent 17: Other times, they play a game with Quack where they wave at Quack and laugh.
Sent 18: They have a fun life growing up on the farm.
Question: How much older is Sally than her brother? (A) 1 year (B) 2 years.
[EX A]:
A.