A (hydroxyl group) may undergo an addition.Logical formLearned from15 sentences. Blood may undergo an addition.Logical formLearned from15 sentences. A belt may undergo an addition.Logical formLearned from15 sentences. Urea may undergo an addition.Logical formLearned from15 sentences. Additions may be included.Logical formLearned from15 sentences. A territory may undergo an addition.Logical formLearned from15 sentences. Phosphorus may undergo an addition.Logical formLearned from15 sentences. Multiplayer may undergo an addition.Logical formLearned from15 sentences. Impurities may undergo an addition.Logical formLearned from15 sentences. Elevators may undergo an addition.Logical formLearned from15 sentences. Additions can be to a property.Logical formLearned from15 sentences. A progestin may undergo an addition.Logical formLearned from15 sentences. An addition can be to a library of someone.Logical formLearned from15 sentences. An addition can be to an university.Logical formLearned from15 sentences. An addition can be to a center.Logical formLearned from15 sentences.