A male may have an (attention span) of a gnat.Logical formLearned from8 sentences. An increase can be in average (life spans).Logical formLearned from8 sentences. A span may pertain-to a (railway bridge).Logical formLearned from8 sentences. (Experience spans) may pertain-to a male.Logical formLearned from8 sentences. A span may pertain-to a dam.Logical formLearned from8 sentences. Persons may have a (life span).Logical formLearned from8 sentences. An (arm span) may pertain-to a man.Logical formLearned from8 sentences. A (life span) can be hermaphrodite.Logical formLearned from8 sentences. A child can be with an (attention span).Logical formLearned from8 sentences. A span can be rare.Logical formLearned from8 sentences. (Background tv) may harm (attention spans).Logical formLearned from8 sentences. An (arm span) may equal a height.Logical formLearned from8 sentences. (Talent spans) can be hidden.Logical formLearned from8 sentences. Kids can be with (attention spans).Logical formLearned from8 sentences. A span can be across a river.Logical formLearned from8 sentences.