Observations can be experimental.Logical formLearned from793 sentences. Observations may suggest that something-is-the-case.Logical formLearned from757 sentences. Observations can be detailed.Logical formLearned from718 sentences. Observations may show that something-is-the-case.Logical formLearned from675 sentences. Observations may be made.Logical formLearned from646 sentences. Observations may indicate that something-is-the-case.Logical formLearned from543 sentences. Observations may suggest that something-is-the-case.Logical formLearned from513 sentences. Observations can be meteorological.Logical formLearned from471 sentences. An observation can be that something-is-the-case.Logical formLearned from467 sentences. A set can be constituted-of-or-filled-with observations.Logical formLearned from463 sentences. A series can be constituted-of-or-filled-with observations.Logical formLearned from455 sentences. An observation can be keen.Logical formLearned from426 sentences. (Observation posts) may pertain-to an international-political-entity.Logical formLearned from420 sentences. Observations may pertain-to a scientist.Logical formLearned from419 sentences. Observations may be made.Logical formLearned from391 sentences.