| http://www.w3.org/ns/prov#value | - But my teachers, especially my maths teacher sent me to Detention Class almost every Saturday to pull the steam roller across the school field, clean the classrooms and the lavatory for imitating him with ???sine, cosine, tangent, right angle triangle, angle ??, Pythagoras' theorem?????????a plane flies in a north eastern direction with a velocity of ???km / hr, but was blown northwards by an stro
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