A source may be knowned.Logical formLearned from127 sentences. A range can be constituted-of-or-filled-with (data sources).Logical formLearned from126 sentences. Sources may pertain-to a nation.Logical formLearned from126 sentences. A source can be constituted-of-or-filled-with aid.Logical formLearned from126 sentences. Sources can be hidden.Logical formLearned from125 sentences. A source may pertain-to a blast.Logical formLearned from125 sentences. Sources can be constituted-of-or-filled-with information.Logical formLearned from125 sentences. A source can be fantastic.Logical formLearned from125 sentences. Variety can be constituted-of-or-filled-with (funding sources).Logical formLearned from125 sentences. A range can be constituted-of-or-filled-with (information sources).Logical formLearned from125 sentences. A source can be rare.Logical formLearned from125 sentences. A source can be unknown.Logical formLearned from125 sentences. Sources can be identified.Logical formLearned from124 sentences. A source may be quoted as saying that something-is-the-case.Logical formLearned from124 sentences. Sources can be archaeological.Logical formLearned from124 sentences.