Generator UF relays trip and time delay exists for which frequency ranges and delays?

Generator UF relays trip and time delay exists for which frequency ranges and delays?

• A. Above 59.4 Hz No automatic trip; 58.4 Hz to 59.4 Hz Not less than 9 minutes; 58.0 Hz to 58.4 Hz Not less than 30 seconds; 57.5 Hz to 58.0 Hz Not less than 2 seconds; 57.5 Hz or below Instant Trip
• B. Above 59.4 Hz Not automatic; 58.4-59.4 Hz Not less than 5 minutes; 58.0-58.4 Hz Not less than 60 seconds; 57.5-58.0 Hz Not less than 1 second; 57.5 Hz or below Instant Trip
• C. Above 59.4 Hz Instant Trip; 58.4-59.4 Hz Not less than 1 minute; 58.0-58.4 Hz Not less than 5 seconds; 57.5-58.0 Hz Not less than 20 seconds; 57.5 Hz or below Not Trip
• D. Above 59.4 Hz No trip; 58.4-59.4 Hz Not less than 2 minutes; 58.0-58.4 Hz Not less than 15 seconds; 57.5-58.0 Hz Not less than 3 seconds; 57.5 Hz or below Instant Trip

Answer: (A)