A (subscription request) can be from a user.Logical formLearned from3 sentences. A (subscription request) may be delivered.Logical formLearned from3 sentences. A (subscription state change) may undergo a notification.Logical formLearned from3 sentences. Receipt may pertain-to a (subscription state notification).Logical formLearned from3 sentences. An attribute may pertain-to a subscription.Logical formLearned from3 sentences. Subscriptions can be from locations.Logical formLearned from3 sentences. A person may give_up a subscription.Logical formLearned from3 sentences. A person may think of canceling a subscription.Logical formLearned from3 sentences. A fee can be for subscriptions.Logical formLearned from3 sentences. A subscription can be to abstracts.Logical formLearned from3 sentences. (Subscription packages) can be basic.Logical formLearned from3 sentences. Subscription can be to members.Logical formLearned from3 sentences. A person may get subscription.Logical formLearned from3 sentences. A (subscription agreement) may undergo a violation.Logical formLearned from3 sentences. A subscription can be for use.Logical formLearned from3 sentences.