In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to determine if the two sentences clearly agree/disagree with each other, or if this can't be determined. Indicate your answer as yes or no respectively.

Ex Input:
Sentence 1: The choir and chancel do not stand on the island's granite core but on a platform formed by three crypts, with the massive columns of the Crypte des Groseiliers doing most of the work. Sentence 2: Nothing ever stands on the island's granite core.

Ex Output:
no

Ex Input:
Sentence 1: Postal Service's available inbound LC/AO volume data is reported separately for surface and air, the Commission applied two separate REIMS II distributions. Sentence 2: Postal Service's volume data come in separate reports.

Ex Output:
yes

Ex Input:
Sentence 1: Croseover the Pont Bona?parte to view the Cathedrale Saint-Jean and its astronomical clock and then stroll around the fine Ren?ais?sance houses of Lyon's old town between the Sa??ne river and the Fourviyre hill. Sentence 2: There is no clock in the Cathedrale Saint-Jean.

Ex Output:
yes