A bird may stand upright.Logical formLearned from2 sentences. A life may pertain-to an upright.Logical formLearned from2 sentences. A tin may stand upright.Logical formLearned from2 sentences. Upright may represent a deity.Logical formLearned from2 sentences. A piece can be constituted-of-or-filled-with upright.Logical formLearned from2 sentences. A pig may walk upright.Logical formLearned from2 sentences. (Upright leaves) may arise on petioles.Logical formLearned from2 sentences. (Upright leaves) can be leathery.Logical formLearned from2 sentences. Upright can be a goal of (beginning riders).Logical formLearned from2 sentences. A bike may stay upright.Logical formLearned from2 sentences. An upright can be attached.Logical formLearned from2 sentences. An upright can be stern.Logical formLearned from2 sentences. Uprights can be simple.Logical formLearned from2 sentences. Difficulty may stand upright.Logical formLearned from2 sentences. Uprights may support rafters.Logical formLearned from2 sentences.