*SUPPORT*
IN: blicket wif gazzer tufa wif OUT: RED BLUE BLUE PINK
IN: wif tufa wif OUT: BLUE BLUE
IN: blicket tufa wif OUT: BLUE RED
IN: fep dax OUT: PURPLE PURPLE
IN: blicket OUT: RED
IN: blicket wif tufa gazzer OUT: RED PINK BLUE
IN: wif dax OUT: BLUE BLUE
IN: gazzer dax OUT: PINK PINK
IN: blicket blicket dax OUT: RED RED RED
IN: wif lug OUT: BLUE BLUE BLUE
IN: fep lug OUT: PURPLE PURPLE PURPLE
IN: wif tufa fep OUT: PURPLE BLUE
IN: fep tufa fep OUT: PURPLE PURPLE
IN: gazzer blicket lug OUT: PINK RED RED RED

*QUERY*
IN: wif OUT: BLUE
IN: fep wif OUT: PURPLE BLUE
IN: wif wif dax OUT: BLUE BLUE BLUE
IN: gazzer lug OUT: PINK PINK PINK
IN: fep gazzer lug OUT: PURPLE PINK PINK PINK
IN: blicket dax OUT: RED RED
IN: blicket lug OUT: RED RED RED
IN: blicket tufa fep OUT: PURPLE RED
IN: fep OUT: PURPLE
IN: gazzer tufa wif OUT: BLUE PINK

*GRAMMAR*
wif -> BLUE 
 fep -> PURPLE 
 gazzer -> PINK 
 blicket -> RED 
 u1 dax -> [u1] [u1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 