(Safety rules) can be basic.Logical formLearned from110 sentences. Safety may pertain-to officers.Logical formLearned from109 sentences. Safety may pertain-to a nuclear arsenal.Logical formLearned from108 sentences. A male can be worried about safety.Logical formLearned from108 sentences. A person may worry about safety.Logical formLearned from108 sentences. Emphasis can be on safety.Logical formLearned from108 sentences. Safety can be in a workplace.Logical formLearned from108 sentences. (Safety rules) may undergo a violation.Logical formLearned from107 sentences. Concerns can be about safety.Logical formLearned from107 sentences. A concern can be for safety.Logical formLearned from107 sentences. Safety may undergo perceptions.Logical formLearned from106 sentences. Safety can be serious.Logical formLearned from106 sentences. Safety may pertain-to an author.Logical formLearned from106 sentences. Safety may pertain-to a president.Logical formLearned from106 sentences. (Safety standards) can be strict.Logical formLearned from106 sentences.