A (life span) may pertain-to the earth.Logical formLearned from5 sentences. A span may pertain-to lifetimes.Logical formLearned from5 sentences. Someone can be with an (attention span).Logical formLearned from5 sentences. An increase can be in an average (life span).Logical formLearned from5 sentences. A public may have an (attention span).Logical formLearned from5 sentences. A (time span) can be minutes.Logical formLearned from5 sentences. A female may have some (attention span).Logical formLearned from5 sentences. An (attention span) may pertain-to a person.Logical formLearned from5 sentences. A middle may pertain-to an expected (life span).Logical formLearned from5 sentences. A span can be unprecedented.Logical formLearned from5 sentences. A span may be given.Logical formLearned from5 sentences. An average (life span) can be weeks.Logical formLearned from5 sentences. A person may have an (attention span) of a squirrel.Logical formLearned from5 sentences. An (attention span) can be at a moment.Logical formLearned from5 sentences. Some point can be in a span.Logical formLearned from5 sentences.