Pressures may be contained.Logical formLearned from42 sentences. Files may contain text.Logical formLearned from42 sentences. Files may contain material.Logical formLearned from42 sentences. A package may contain explosives.Logical formLearned from42 sentences. Charges may be contained in an indictment.Logical formLearned from42 sentences. Letters may contain (anthrax spores).Logical formLearned from41 sentences. A family may contain herons.Logical formLearned from41 sentences. A volume may contain some episodes.Logical formLearned from41 sentences. A study may contain statistics.Logical formLearned from41 sentences. An envelope may contain a letter.Logical formLearned from41 sentences. A post may contain links.Logical formLearned from41 sentences. Foods may contain sugar.Logical formLearned from41 sentences. A chip may contain some micromirrors.Logical formLearned from41 sentences. Some pages may contain information.Logical formLearned from41 sentences. A folder may contain a file.Logical formLearned from41 sentences.