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.

Input: Consider Input: Paragraph- Sent 1: Many plants and animal species have lived on Earth.
Sent 2: Most are no longer alive.
Sent 3: Only a tiny number of species still live on Earth.
Sent 4: If not for fossils, we would know little about species that did not survive.
Sent 5: Fossils provide evidence.
Sent 6: They give us clues to past life on Earth.
Sent 7: They tell us that life on Earth has changed over time.
Sent 8: Fossils in younger rock Fossils can also tell us about how plants and animals lived in the past.
Sent 9: Was it land or marine?
Sent 10: Was the water shallow or deep?
Sent 11: Fossils can even provide clues to ancient climates.
Sent 12: They can tell us if it was warm or cold.
Sent 13: Maybe it was cold or hot?
Sent 14: Some places that are now cold were once warm.
Sent 15: Some places that are now hot and dry were once wet and cool.
Sent 16: Fossils provide a window into the past.
Question: How can the environment of places change over time? (A) Marine becomes land (B) Hot becomes cold (C) Animals die off (D) Wet becomes dry (E) Some places that are now cold were once warm, and some places that are now hot and dry were once wet and cool.

Output: A, B, D, E.

Input: Consider Input: Paragraph- Sent 1: The Venetian artist Jacopo de' Barbari, whom Durer had met in Venice, visited Nuremberg in 1500, and Durer said that he learned much about the new developments in perspective, anatomy, and proportion from him.
Sent 2: De' Barbari was unwilling to explain everything he knew, so Durer began his own studies, which would become a lifelong preoccupation.
Sent 3: A series of extant drawings show Durer's experiments in human proportion, leading to the famous engraving of Adam and Eve (1504), which shows his subtlety while using the burin in the texturing of flesh surfaces.
Sent 4: This is the only existing engraving signed with his full name.
Sent 5: Durer made large numbers of preparatory drawings, especially for his paintings and engravings, and many survive, most famously the Betende Hande (English: Praying Hands, c.
Sent 6: 1508 Albertina, Vienna), a study for an apostle in the Heller altarpiece.
Sent 7: He also continued to make images in watercolour and bodycolour (usually combined), including a number of still lifes of meadow sections or animals, including his Young Hare (1502) and the Great Piece of Turf (1503, both also Albertina).
Question: What is the name of the only existing engraving signed with Durer's full name? (A) Young Hare (B) Adam and Eve.

Output: B.

Input: Consider Input: Paragraph- Sent 1: '' The Octopus , '' a masked crime lord , is bent on crippling the nation with a wave of terror .
Sent 2: He starts with the transportation system and then moves onto industry .
Sent 3: He demands tribute from railroad magnates and other captains of industry .
Sent 4: Richard Wentworth , an amateur criminologist who is friendly with the police , is secretly '' The Spider , '' a masked vigilante equally determined to wipe the Octopus and his gang off the face of the earth .
Sent 5: Pleasant and smiling in civilian life , Wentworth is often ruthless as the Spider , slinging two guns against the public enemies who attack him .
Sent 6: Wentworth also masquerades as affable underworld lowlife Blinky McQuade .
Sent 7: Disguised as McQuade , Wentworth can infiltrate gangland at the hired-gun level and keep current on the gang's plans .
Sent 8: The only people who know Wentworth's other identities are his assistants Jackson and Ram Singh , his butler Jenkins , and his fianc e Nita .
Sent 9: The Octopus was a villain in a single issue pulp believed to have been written by Norvell Page who wrote most of The Spider pulp stories .
Sent 10: He is garbed completely in white and is only ever seen sitting in a chair .
Sent 11: Unlike the pulps , The Spider is garbed in a lightweight full length costume with web-like markings on it Which resemble Spiderman's costume .
Sent 12: The serial follows the standard formula of fights , shoot-outs , Wentworth's friends being kidnapped at various times and having to be rescued .
Sent 13: Each chapter ends with The Spider or his friends in deep trouble , often about to be killed , but the effect is spoiled by a trailer for the next episode Which shows them in full health and fighting the villains .
Question: Which character is depicted as wearing all white and only appeared in a single issue pulp? (A) Blinky McQuade (B) The Spider (C) Norvel Page (D) The Octopus.
Output: D.