In this task, you're given two sentences, sentence 1 and sentence 2, and the genre they belong to. Your job is to determine if the two sentences belong to the same genre or not. Indicate your answer with Y and N respectively. Genres available include: face-to-face, government, letters, 9/11, slate, telephone, travel, verbatim, oup, fiction. Sentences belonging to 'face-to-face' genres relate to conversations or dialogues, 'government' encompasses information released from public government websites, 'letters' refers to any written work for philanthropic fundraising, '9/11' relates to information pertaining to the 9/11 attacks, 'oup' includes non-fiction works on the textile industry and child development, 'slate' refers to any cultural topic that appears in the slate magazine, 'telephone' includes telephonic dialogue, 'travel' deals with information in travel guides, 'verbatim' includes short posts regarding linguistics, and 'fiction' includes popular works of fiction like 'The Secret Adversary' etc.

Sentence 1: Nevertheless, U.S. officials assert that the helicopters and Army soldiers are an expansion of the air operation, supporting the air campaign, and not a ground force. Sentence 2: The air operation is not a ground force. Genre: slate.
Y

Sentence 1: Berthelot's wife supervised the design, and the delicacy of its forms, especially the slender conical turrets at each corner and the double-arched loggias of the main staircase, are the result. Sentence 2: They don't take them out, I think that is awful. Genre: travel.
N

Sentence 1: There are signs that yet another well-advised retreat is underway. Sentence 2: A no-shift elasticity is when elasticity is equal to zero. Genre: government.

N