instruction:
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.
question:
Paragraph- Sent 1: Sometimes traits can vary from parent to offspring.
Sent 2: These changes are due to mutations.
Sent 3: Mutations are a random change.
Sent 4: Mutations are natural.
Sent 5: Some mutations are harmful.
Sent 6: In this case, the organism may not live to reproduce.
Sent 7: The trait will not be passed onto offspring.
Sent 8: Others variations in traits have no effect on survival.
Sent 9: Can some mutations be good for a living thing?
Sent 10: Other mutations can have great benefits.
Sent 11: Imagine being the first moth that can blend into its background.
Sent 12: It would have a better chance of survival.
Sent 13: A living thing that survives is likely to have offspring.
Sent 14: If it does, it may pass the new trait on to its offspring.
Sent 15: Thats good news for the offspring.
Sent 16: The offspring may be more likely to survive.
Sent 17: Mutations are one way living things adapt to new conditions.
Question: What are mutations? (A) Variances from parent to offspring (B) Random changes (C) Dont know (D) Are alterations to a DNA sequence (E) Reproduction.
answer:
A, B, D.

question:
Paragraph- Sent 1: She led the way into the cheerful schoolroom, where big girls and little girls were sitting about, amusing themselves in the quiet of a long Sunday afternoon.
Sent 2: Several of the younger children ran to her as she came in, and stood holding fast to the folds of her black habit, staring up at the strangers, while she explained the kind of instruction given, the system, and the order reigning in each department.
Sent 3: Finally, she persuaded a little girl, only six years old, to take her dusky face out of the long flowing veil of the nun, and show how quickly she could read a sentence that Sister Winifred wrote on the blackboard.
Sent 4: Then others were called on, and gave examples of their accomplishments in easy arithmetic and spelling.
Sent 5: The children must have been very much bored with themselves that stormy Sunday, for they entered into the examination with a quite unnatural zest.
Sent 6: Two of the elder girls recited, and some specimens of penmanship and composition were shown.
Sent 7: The delicate complexion of the little nun flushed to a pretty wild-rose pink as these pupils of hers won the Colonel's old fashioned compliments.
Question: Where did the strangers meet the teacher? (A) The Classroom (B) In front of the blackboard (C) In the convent hall (D) In the schoolroom (E) By the water fountain.
answer:
A, B, D.

question:
Paragraph- Sent 1: From Babylon, Alexander went to Susa, one of the Achaemenid capitals, and captured its legendary treasury.
Sent 2: He sent the bulk of his army to the Persian ceremonial capital of Persepolis via the Royal Road.
Sent 3: Alexander himself took selected troops on the direct route to the city.
Sent 4: He had to storm the pass of the Persian Gates (in the modern Zagros Mountains) which had been blocked by a Persian army under Ariobarzanes and then hurried to Persepolis before its garrison could loot the treasury.
Sent 5: On entering Persepolis, Alexander allowed his troops to loot the city for several days.
Sent 6: Alexander stayed in Persepolis for five months.
Sent 7: During his stay a fire broke out in the eastern palace of Xerxes and spread to the rest of the city.
Sent 8: Possible causes include a drunken accident or deliberate revenge for the burning of the Acropolis of Athens during the Second Persian War.
Question: What are the possible causes of the fire that broke out in the eastern palace of Xerxes? (A) War (B) A drunken accident or deliberate revenge for the burning of the Acropolis (C) Spontaneous combustion (D) A drunken accident, or deliberate revenge (E) A drunken accident or revenge.
answer:
B, D, E.