(Pyramid schemes) can be shady.Logical formLearned from25 sentences. A scheme can be developed.Logical formLearned from24 sentences. A scheme can be by a male.Logical formLearned from24 sentences. Schemes can be sinister.Logical formLearned from24 sentences. Schemes may undergo an establishment.Logical formLearned from24 sentences. An (approximation scheme) can be randomized.Logical formLearned from24 sentences. A scheme may be dubbed.Logical formLearned from24 sentences. A scheme can be constituted-of-or-filled-with classification.Logical formLearned from24 sentences. Some party can be in a scheme.Logical formLearned from24 sentences. A scheme can be base.Logical formLearned from24 sentences. A (deposit scheme) can be voluntary.Logical formLearned from24 sentences. A scheme can be rigid.Logical formLearned from24 sentences. A nature may pertain-to schemes.Logical formLearned from24 sentences. A (classification scheme) may pertain-to persons.Logical formLearned from24 sentences. (Integration schemes) can be regional.Logical formLearned from24 sentences.