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: Using BLS weights, can compute an estimate of the aggregate US population demand function for postage from the household sector as the weighted sum of sample household level-demand functions Can compute own-price and cross-price elasticities of aggregate household demand for postage using this aggregate demand function. Sentence 2: The BLS function is useless in performing postage calculations.
yes