Sunderland 0-2 Brentford: Chris Coleman's relegation woes continue after enduring another home defeat as the Bees sting Black Cats on Wearside.Sunderland passed up the chance to boost their Sky Bet Championship survival hopes as Brentford won 2-0 on their first ever visit to the Stadium of Light.The Bees secured the three points courtesy of two first-half goals and a solid opening 45 minutes, leaving the struggling Black Cats with a mountain to climb after the interval.