A (safety standard) can be mandatory.Logical formLearned from152 sentences. Persons can be concerned about safety.Logical formLearned from152 sentences. Concern can be about safety.Logical formLearned from150 sentences. A person can be concerned about safety.Logical formLearned from150 sentences. Safety can be a concern.Logical formLearned from148 sentences. Safety may be intercepted.Logical formLearned from148 sentences. A danger can be to public safety.Logical formLearned from145 sentences. Respect can be to safety.Logical formLearned from144 sentences. Safety may pertain-to a child.Logical formLearned from143 sentences. (Safety standards) can be basic.Logical formLearned from142 sentences. Safety may pertain-to operations.Logical formLearned from139 sentences. Safety may pertain-to a president.Logical formLearned from139 sentences. A person can be worried about safety.Logical formLearned from138 sentences. Safety may pertain-to players.Logical formLearned from138 sentences. Safety may pertain-to a procedure.Logical formLearned from137 sentences.