A top may pertain-to a span.Logical formLearned from6 sentences. A bridge may be composed of some spans.Logical formLearned from6 sentences. A (life span) may pertain-to species.Logical formLearned from6 sentences. A bridge can be with some spans.Logical formLearned from6 sentences. (Wing spans) can be constituted-of-or-filled-with some feet.Logical formLearned from6 sentences. A (life span) may pertain-to a system.Logical formLearned from6 sentences. An (attention span) may pertain-to a student.Logical formLearned from6 sentences. Patients may have a (life span).Logical formLearned from6 sentences. A series can be constituted-of-or-filled-with spans.Logical formLearned from6 sentences. A (life span) can be one-year.Logical formLearned from6 sentences. Dogs may have (life spans).Logical formLearned from6 sentences. A society can be with an (attention span).Logical formLearned from6 sentences. (Attention spans) can be decreased.Logical formLearned from6 sentences. A span can be measured.Logical formLearned from6 sentences. An audience can be with an (attention span).Logical formLearned from6 sentences.