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 Input:
Paragraph- Sent 1: Fossils can be used to match up rock layers.
Sent 2: As organisms change over time, they look different.
Sent 3: Older fossils will look different than younger fossils.
Sent 4: Some organisms only survived for a short time before going extinct.
Sent 5: Knowing what organisms looked like at certain times also helps date rock layers.
Sent 6: Some fossils are better than others for this use.
Sent 7: The fossils that are very distinct at certain times of Earths history are called index fossils.
Sent 8: Index fossils are commonly used to match rock layers.
Sent 9: You can see how this works in Figure 2.30.
Sent 10: If two rock layers have the same index fossils, then they're probably about the same age.
Question: How are index fossils useful? (A) They show us flora of the past (B) Knowing what organisms looked like at certain times also helps date rock layers, and index fossils are the fossils that are very distinct at certain times of Earth's history (C) The fossils that are very distinct at certain times of Earths history and help date fossils (D) For fuel (E) They help to determineage of rock layers (F) They are used to mark water levels (G) They are used to identify extinct animals (H) As markers for glacier activity.

Ex Output:
B, C, E.

Ex Input:
Paragraph- Sent 1: Lash is associate dean at the University of Southern California Law School.
Sent 2: Johnson is a justice on California's Second District Court of Appeal.
Sent 3: Lash and Johnson are co-chairs of the California Commission on Access to Justice.
Sent 4: The full report can be viewed at (www.calbar.org).
Sent 5: In her year-long odyssey through the California justice system, Katherine, a 35-year-old single mother with three children, experienced failure at every turn.
Sent 6: Leaving her abusive husband, she moved into the only apartment she could afford, and soon discovered a broken toilet and non- working oven, rats and roaches, and a fourthfloor landing with no railing.
Sent 7: She began withholding rent pending repairs her landlord refused to make, but then her Medi-Cal benefits were cut off when she could not provide rent receipts.
Sent 8: She lost health care for her children and herself, although she is a borderline diabetic in need of medication and her children were suffering from rat bites.
Sent 9: Katherine tried to seek help through the courts.
Sent 10: Representing herself at an administrative hearing, she lost her appeal to restore Medi-Cal benefits because she did not have proper documentation of the rent account.
Sent 11: When she went to a courthouse to file a complaint against her landlord, she found the process so confusing that she gave up and went home.
Sent 12: According to "The Path to Justice: A Five-Year Status Report on Access to Justice in California," prepared by the California Commission on Access to Justice, Katherine is just one of 4.6 million poor Californians whose basic civil legal needs -- often involving such critical needs as housing, health care, education, employment, safety and transportation -- are not being addressed.
Sent 13: California has a critical dearth of legal services for the poor, and, as this report makes clear, it is imperative that the state join with the federal government and private funders to increase resources so that all Californians, regardless of income, have equal access to our justice system.
Sent 14: Our justice system is predicated on the assumption that both parties will be represented by lawyers who act as gatekeepers and guides through a complex legal system that would otherwise be inaccessible to many of us.
Sent 15: Unfortunately, the most vulnerable members of our society are the least able to afford legal services.
Sent 16: California does have a strong network of legal aid organizations that try to help meet the needs of the poor, but there's just one legal aid lawyer available per 10,000 poor people.
Sent 17: We may promise "justice for all," but for those who can't afford a lawyer, that promise is often a lie.
Sent 18: In its new report, the Commission on Access to Justice notes some significant steps toward providing equal access to justice for all Californians.
Question: Why did Katherine represent herself and not seek legal services? (A) She could not afford an attorney and the legal system was too crowded to be a help to her (B) She was very smart (C) The most vulnerable members of our society are the least able to afford legal services (D) She could not afford her own lawyer, and there are not enough legal aid lawyers to help everyone in need (E) She could not afford it (F) She didn't want to pay it (G) She felt she had experienced her promblems and was best able to bring them to the attention of the court.

Ex Output:
A, C, D, E.

Ex Input:
Paragraph- Sent 1: As for the Italians, we know that Paesiello, who was a famous intriguer against his musical rivals, was a devoted husband whose wife was an invalid and who died soon after her death.
Sent 2: Cherubini married Mademoiselle Cecile Turette, when he was thirty-five, and the marriage was not a success.
Sent 3: He left a son and two daughters.
Sent 4: Spontini, one of whose best operas was based on the life of that much mis-married enthusiast for divorce, John Milton, took to wife a member of the Erard family.
Sent 5: In the outer world Spontini was famous for his despotism, his jealousy, his bad temper, and his excessive vanity.
Sent 6: None of these qualities as a rule add much to home comfort, and yet, it is said that he lived happily with his wife.
Sent 7: We may feel sure that some of the bad light thrown on his character is due purely to the jealousy of rivals, when we consider his domestic content, his ardent interest in the welfare of Mozart's widow and children, and the great efforts he made to secure subscriptions for the widow's biography of Mozart.
Question: Who lived happily with his wife, despite some negative qualities? (A) Mademoiselle (B) Cherubini (C) Paesiello (D) Spontini.

Ex Output:
D.