A source may pertain-to the world.Logical formLearned from1 277 sentences. (Security sources) may say that something-is-the-case.Logical formLearned from1 256 sentences. Sources can be constituted-of-or-filled-with pollution.Logical formLearned from1 227 sentences. A source may say on condition of anonymity.Logical formLearned from1 208 sentences. A source can be useful.Logical formLearned from1 204 sentences. A source can be for information.Logical formLearned from1 151 sentences. Sources may include a (travel section).Logical formLearned from1 136 sentences. A source can be credible.Logical formLearned from1 109 sentences. Sources can be close to talks.Logical formLearned from1 105 sentences. Sources can be credible.Logical formLearned from1 099 sentences. Sources may undergo a use.Logical formLearned from1 095 sentences. Sources can be close to an investigation.Logical formLearned from1 081 sentences. A (source code) may pertain-to a person.Logical formLearned from1 067 sentences. Sources can be constituted-of-or-filled-with funds.Logical formLearned from1 063 sentences. Sources can be constituted-of-or-filled-with support.Logical formLearned from1 031 sentences.