An accident may occur.Logical formLearned from8 950 sentences. Some species may occur in a country.Logical formLearned from8 660 sentences. An incident may occur.Logical formLearned from7 799 sentences. An attack may occur.Logical formLearned from6 133 sentences. A blast may occur.Logical formLearned from4 870 sentences. An explosion may occur.Logical formLearned from4 760 sentences. Events may occur on a date.Logical formLearned from3 697 sentences. Changes may occur.Logical formLearned from3 116 sentences. Events may occur.Logical formLearned from2 932 sentences. An error may occur.Logical formLearned from2 913 sentences. An event may occur.Logical formLearned from2 739 sentences. A crash may occur.Logical formLearned from2 654 sentences. A shooting may occur.Logical formLearned from2 440 sentences. Problems may occur.Logical formLearned from2 335 sentences. An event may occur.Logical formLearned from2 256 sentences.