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: ['In 2011 IPC Alpine Skiing World Championships – Slalom, Petra Smarzova from Slovakia had a total time of 1:43.72.', "Ellen and Grace Roosevelt won in the Grand Slam women's doubles category of the 1890 US Open."]
A: 
DISSIMILAR