This task is about classifying the similarity of two sentences. The sentences can be classified as (a) SIMILAR - similar to each other, and (b) DISSIMILAR - not similar to each other. Sentences that have the same RDF relationship in terms of [subject, predicate, object] are similar to each other. The input is a list of two sentences and the output is either SIMILAR or DISSIMILAR.
Q: ['20 Fenchurch Street, London was designed by the architect Rafael Vinoly. Boris Johnson is a leader of London which is lead by the European Parliament.', '20 Fenchurch Street, a Rafael Vinoly building, is in London, a city linked to the European Parliament and headed by Boris Johnson as Mayor.']
A: 
SIMILAR