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.
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Question: Paragraph- Sent 1: As food is pushed along, it undergoes digestion.
Sent 2: Digestion is the process of breaking down food into nutrients.
Sent 3: There are two types of digestion: mechanical digestion and chemical digestion.
Sent 4: Mechanical digestion occurs when large chunks are turned into smaller chucks.
Sent 5: Perhaps not surprisingly, this happens when you chew your food.
Sent 6: Once you swallow the food, your stomach also does some of this work.
Sent 7: Chemical digestion occurs when food is broken down into useful nutrients.
Sent 8: This is a chemical process that begins as you start to chew your food.
Sent 9: The saliva in your mouth starts this process.
Sent 10: Once you swallow, the acid in your stomach further breaks down food.
Sent 11: From the stomach, the foods moves into the small intestine.
Sent 12: In the small intestines, another set of chemicals goes to work.
Sent 13: Are you surprised?
Sent 14: Your small intestine, and not your stomach, does most of the work!.
Question: Is the acid breaking down the food in your stomach an example of mechanical or chemical digestion? (A) Mechanical digestion (B) Neither (C) Chemical digestion.

Answer: C.

Question: Paragraph- Sent 1: Timothy likes to play sports.
Sent 2: He spends his time after school playing basketball and baseball.
Sent 3: Sometimes Timothy pretends he is a famous baseball pitcher for his favorite team with his friends.
Sent 4: He plays with his friends Mandy and Andrew.
Sent 5: Timothy also plays pretend when he is alone.
Sent 6: He has an imaginary friend named Sean.
Sent 7: Sean is an elephant who watches television with Timothy.
Sent 8: Mandy likes playing baseball but she also likes to paint.
Sent 9: Mandy's favorite class at school is art.
Sent 10: She likes making pictures of flowers.
Sent 11: Her teacher says she is a good artist.
Sent 12: She painted a picture of a tree for her teacher.
Sent 13: There were red and yellow leaves on it.
Sent 14: It had apples on it.
Sent 15: When Andrew goes home after baseball, he likes to eat a snack.
Sent 16: He eats carrots and bananas.
Sent 17: If he is a good boy his mom, Mrs. Smith, sometimes gives him milk and cookies.
Sent 18: Afterwards, Andrew finishes his homework.
Question: Timothy likes to spend his time after school doing what and with who? (A) Friends (B) Playing basketball and baseball (C) Timothy likes to play sports. (D) He plays with his friends Mandy and Andrew.

Answer: B, D.

Question: Paragraph- Sent 1: { { Plot } } Tom plays pool in a deserted pool hall , pocketing two balls by lowdown means and then wakes Jerry up by shooting the 10-ball into the pocket where he is sleeping .
Sent 2: Jerry awakes just in time to avoid the 10-ball and is carried out to the ball return , where the 10 and the 13 smash the mouse between each other .
Sent 3: Jerry is mad and walks up through the pocket , first sees nothing , but after a few steps back to the pocket , he spots Tom perched behind it .
Sent 4: Jerry tries to jump into another corner pocket , but Tom aims a cue ball with so much force that it roll's into the pocket , and spins back out of it and it rolls Jerry backwards to Tom , who has made a ramp with his cue stick for the mouse to slide up .
Sent 5: Jerry stops at the top of the stick and is then blown down by Tom , who then shoots a stream of balls to make the mouse flat .
Sent 6: The whole train rebounds back towards the cat and the balls stack up at Tom's end of the table .
Sent 7: Tom shoots all the balls in succession with his cue , and then tries to shoot Jerry , but the mouse hangs onto the cue tip .
Sent 8: The cat , as if he were saying '' Have it your way '' , chalks up and shoots the 8-ball using Jerry .
Sent 9: The mouse drops off the cue tip and then is upended by the 8-ball rolling in circles , and Tom forces Jerry to jump through the ball rack as if he were a circus performer .
Sent 10: Tom then sets it on fire to add an additional level of torment , and when Jerry accomplishes this with poise , Tom discards the flaming rack and shoots the 8-ball across the table and back .
Question: Who shoots the 10 ball that awakens Jerry? (A) The pool (B) Tom (C) The mouse (D) Jerry (E) The ball.

Answer:
B.