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.

Sentence 1: That is better. An assistant from Parkson's, Theatrical Costumiers, testified that on June 29th, they had supplied a black beard to Mr. L.  Sentence 2: Mr. L had obtained a black beard from Parkson's Theatrical Costumiers.
yes

Sentence 1: Jon spoke again, nodding his head slightly. Sentence 2: He was trying to convince them.
no

Sentence 1: Limestone stoichiometry is the number of moles of Ca added per mole of SO2 removed. Sentence 2:  Limestone stoichiometry is the number of moles of Ca added per mole of SO2 removed.

yes