SELECT
	CAST(NEWID() AS CHAR(36)), 
	CASE CAST( ASCII (SUBSTRING( CAST( NEWID() AS VARCHAR(64)), 1, 1)) AS INT) % 2
	WHEN 0 THEN 'OPTION 1' ELSE 'OPTION 2' END,
	CASE ABS(CHECKSUM(NEWID()) % 2) 
	WHEN 0 THEN 'OPTION 1' ELSE 'OPTION 2' END
FROM (VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12)) r (n)