A child may be placed before natural phenomena.Logical formLearned from4 sentences. Doubts may be removed by some phenomena.Logical formLearned from4 sentences. Persons can be phenomena.Logical formLearned from4 sentences. A foundation can be for understanding phenomena.Logical formLearned from4 sentences. A statement may limit science to a study of natural phenomena.Logical formLearned from4 sentences. Physical phenomena can be subtle.Logical formLearned from4 sentences. Social phenomena can be complicated.Logical formLearned from4 sentences. A characteristic of phenomena can be an interdependence.Logical formLearned from4 sentences. Phenomena may be used for creation of devices.Logical formLearned from4 sentences. Persons may see some phenomena.Logical formLearned from4 sentences. (Spending phenomena) can be phenomena.Logical formLearned from4 sentences. Phenomena may pertain-to an (animal kingdom).Logical formLearned from4 sentences. A person may look at phenomena.Logical formLearned from4 sentences. Times may pertain-to phenomena.Logical formLearned from4 sentences. Phenomena can be primitive.Logical formLearned from4 sentences.