Populations can be across a (life span).Logical formLearned from4 sentences. A (seafood life span) can be perishable.Logical formLearned from4 sentences. A (produce life span) can be perishable.Logical formLearned from4 sentences. A (battery life span) may pertain-to a person.Logical formLearned from4 sentences. A span can be basic.Logical formLearned from4 sentences. A (life span) may pertain-to an author.Logical formLearned from4 sentences. An average (life span) can be for women.Logical formLearned from4 sentences. (Life span) can be common.Logical formLearned from4 sentences. Spans can be vertical.Logical formLearned from4 sentences. A span of years may be estimated.Logical formLearned from4 sentences. A (time span) can be required.Logical formLearned from4 sentences. An increase can be in a span.Logical formLearned from4 sentences. Families can be across a (life span).Logical formLearned from4 sentences. Performance can be over (time spans).Logical formLearned from4 sentences. (Life spans) can be indefinite.Logical formLearned from4 sentences.