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.

Sentence 1: The greatest difference, to some experts, between other methods and case studies is the distinction between the researcher's (1) beginning by presuming, a priori, to know the relevant constructs and variables, measuring their incidence, and finding out how changes in them may be influenced by other events and (2) entering into an event to learn what is significant in it to the participants. Sentence 2: Some experts think researchers begin with a totally open mind with a case study. Choices: 1. FACE-TO-FACE, 2. GOVERNMENT, 3. LETTERS, 4. 9/11, 5. SLATE, 6. TELEPHONE, 7. TRAVEL, 8. VERBATIM, 9. OUP, 10. FICTION.
1