You are given a paragraph, with numbered sentences, and a question. Write the numbers of the sentences needed to answer the given question. Separate multiple sentence numbers with a comma (", "). E.g. "1, 2" would be the correct response if Sent 1 and Sent 2 are needed to answer the given question (do not include sentences that contain no information that is necessary to answer the question). Sort the sentence numbers in an increasing order (i.e., '1, 2', instead of '2, 1'). Your answer should not contain anything than the sentence numbers separated by a comma (e.g. '1, 2, 3, 4'). The given question requires more than one sentence to answer. So, your answer must contain at least one comma (", ").

Q: Paragraph- Sent 1: Force is a vector.
Sent 2: What then is a vector?
Sent 3: Think about how you would give directions to a friend.
Sent 4: You would not say, just walk half a mile.
Sent 5: The person may walk a half mile in the wrong direction!
Sent 6: More information is needed.
Sent 7: You may say, follow this particular road for a half mile.
Sent 8: You may say, look for the green house on Sumter St. In both examples, you provided a direction.
Sent 9: You also gave the distance.
Sent 10: In other words, you provided a vector.
Sent 11: You did not just give a distance.
Sent 12: Both pieces of information are needed to find a location.
Sent 13: This is just like describing forces.
Sent 14: To explain forces, both size and direction are needed.
Sent 15: Notice the girl in Figure 1.1.
Sent 16: She is pushing the swing away from herself.
Sent 17: Thats the direction of the force.
Sent 18: She can give the swing a strong push or a weak push.
Question: When you say, "Follow this particular road for a half mile," what kind of information are you providing in addition to distance?.

A: 7, 8.
****
Q: Paragraph- Sent 1: John wanted to have a birthday party for his son, Mike.
Sent 2: John and his wife Sara knew that their son loved clowns, as did their daughter Jane.
Sent 3: So they looked up a place to have a clown come to his birthday party.
Sent 4: When the clown arrived, ten of Mikes friends showed up to watch the show.
Sent 5: His parents had sent out 12 invites, thinking 6 or 8 kids would come.
Sent 6: The clown started the show by squirting some water from a flower into John's face.
Sent 7: This caused John's face to turn red.
Sent 8: After the show, when everyone had left, it was up to John and Sara to clean up after the party.
Sent 9: There was food everywhere; they had had salad and there was lettuce on the ground.
Sent 10: Later that evening it was dinnertime and the family had to choose what to eat.
Sent 11: The choices were order a pizza, make hamburgers, go get fried chicken or make noodles.
Sent 12: Since it was Mike's birthday they let him choose.
Sent 13: He really wanted pizza so they called up Pizza Palace to place their order.
Sent 14: When the pizza arrived it did not come in a square box like most pizzas.
Sent 15: Instead it was in a round box that no one had ever seen.
Sent 16: John gave everybody a slice and then placed Mike in his lap to eat dinner.
Question: Did Mike's family order pizza before or after the guests left the party?.

A: 8, 13.
****
Q: Paragraph- Sent 1: Two women trade houses without ever having met .
Sent 2: They 're both looking for an escape from their problems , but by running away , both come to discover a great deal about themselves .
Sent 3: Ria Lynch is married to Danny Lynch and they have a daughter and a son .
Sent 4: Danny begins spending less and less time at home with his wife and children .
Sent 5: Ria believes another baby is the solution , and is shocked to find out that indeed her husband is going to be a father - but to a child from an affair he has been having .
Sent 6: Her husband 's unfaithfulness is the event that leads Ria into her decision to switch homes with a woman from the US called Marilyn who lost her teenage son to a motorcycle accident on his birthday .
Sent 7: Marilyn is struggling to come to terms with her son 's death and has become estranged from her husband .
Sent 8: She hopes her time in Dublin will cease her grief .
Sent 9: Ria and Marilyn discover deep , dark secrets about the other during the summer .
Sent 10: The two become close friends but do not reveal the secrets .
Sent 11: { { Expand section } }.
Question: Who lives in Dublin?.

A:
3, 8, 10.
****