A source can be other.Logical formLearned from612 sentences. A source may pertain-to a contamination.Logical formLearned from609 sentences. A source can be constituted-of-or-filled-with stress.Logical formLearned from609 sentences. A source may pertain-to funds.Logical formLearned from607 sentences. A source can be close to negotiations.Logical formLearned from603 sentences. A source can be constituted-of-or-filled-with material.Logical formLearned from599 sentences. A source can be close to a case.Logical formLearned from598 sentences. Income can be from sources.Logical formLearned from592 sentences. Sources may reveal that something-is-the-case.Logical formLearned from589 sentences. A source can be constituted-of-or-filled-with infection.Logical formLearned from588 sentences. A source can be constituted-of-or-filled-with anxiety.Logical formLearned from583 sentences. Sources can be rich.Logical formLearned from581 sentences. A source may pertain-to a river.Logical formLearned from579 sentences. Sources may pertain-to a government-agency.Logical formLearned from578 sentences. A source can be constituted-of-or-filled-with capital.Logical formLearned from573 sentences.