In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to classify the genre of the sentences from the 10 options displayed. Indicate your answer by entering the number of the choice as 1-10.

[Q]: Sentence 1: Industrious CW-armed terrorists could kill thousands of New York subway riders in a day. Sentence 2: An attack on the quiet New York subway would result in minimal casualties.  Choices: 1. FACE-TO-FACE, 2. GOVERNMENT, 3. LETTERS, 4. 9/11, 5. SLATE, 6. TELEPHONE, 7. TRAVEL, 8. VERBATIM, 9. OUP, 10. FICTION.
[A]: 4


[Q]: Sentence 1: The Astronomer said, "They'll come."   Sentence 2: The astronomer said that they would come. Choices: 1. FACE-TO-FACE, 2. GOVERNMENT, 3. LETTERS, 4. 9/11, 5. SLATE, 6. TELEPHONE, 7. TRAVEL, 8. VERBATIM, 9. OUP, 10. FICTION.
[A]: 9


[Q]: Sentence 1: The chemical reactions that occur with the limestone reagent form a corrosive environment requiring many of the system components to be corrosion and abrasion resistant. Sentence 2: A corrosive environment is not caused by limestone. Choices: 1. FACE-TO-FACE, 2. GOVERNMENT, 3. LETTERS, 4. 9/11, 5. SLATE, 6. TELEPHONE, 7. TRAVEL, 8. VERBATIM, 9. OUP, 10. FICTION.
[A]:
1