An edge may pertain-to a front.Logical formLearned from18 sentences. Fronts can be vertical.Logical formLearned from18 sentences. A front may pertain-to an aisle.Logical formLearned from18 sentences. A front can be revised.Logical formLearned from18 sentences. A front may have some bays.Logical formLearned from18 sentences. Some yards can be to a front.Logical formLearned from18 sentences. A front may pertain-to a boiler.Logical formLearned from18 sentences. A front can be in a continent.Logical formLearned from18 sentences. A front may pertain-to a tray.Logical formLearned from18 sentences. A front may pertain-to a psp.Logical formLearned from18 sentences. A front may pertain-to a mask.Logical formLearned from18 sentences. A porch can be on a front.Logical formLearned from18 sentences. A front can be coherent.Logical formLearned from18 sentences. A front may pertain-to a publication.Logical formLearned from18 sentences. A list can be in a front of an index.Logical formLearned from18 sentences.