Bonds may be backed by pools of mortgages.Logical formLearned from20 sentences. A pool can be constituted-of-or-filled-with doctors.Logical formLearned from20 sentences. A pool may pertain-to parents.Logical formLearned from20 sentences. Place can be in a pool.Logical formLearned from20 sentences. A male may return to a pool.Logical formLearned from20 sentences. A pool can be difficult.Logical formLearned from19 sentences. Pools can be constituted-of-or-filled-with some teams.Logical formLearned from19 sentences. A tournament may consist of some pools of some teams.Logical formLearned from19 sentences. A pool can be constituted-of-or-filled-with reservist.Logical formLearned from19 sentences. A (swimming pool) can be abandoned.Logical formLearned from19 sentences. A (resource pool) may pertain-to a sub-request.Logical formLearned from19 sentences. Pools can be therapeutic.Logical formLearned from19 sentences. A pool can be constituted-of-or-filled-with genes.Logical formLearned from19 sentences. A pool can be famous.Logical formLearned from19 sentences. A pool can be brown.Logical formLearned from19 sentences.