*SUPPORT*
IN: wif wif gazzer gazzer wif lug OUT: BLUE BLUE PINK PINK BLUE BLUE
IN: gazzer lug OUT: PINK PINK
IN: wif wif lug dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: zup tufa OUT: GREEN GREEN
IN: wif lug OUT: BLUE BLUE
IN: gazzer zup OUT: PINK GREEN
IN: zup dax OUT: GREEN GREEN
IN: gazzer fep fep wif OUT: PINK YELLOW YELLOW BLUE
IN: gazzer fep tufa OUT: PINK YELLOW YELLOW
IN: gazzer dax OUT: PINK PINK
IN: wif OUT: BLUE
IN: gazzer tufa OUT: PINK PINK
IN: fep OUT: YELLOW
IN: wif wif fep tufa dax OUT: BLUE BLUE YELLOW YELLOW BLUE BLUE YELLOW YELLOW

*QUERY*
IN: wif tufa OUT: BLUE BLUE
IN: zup lug OUT: GREEN GREEN
IN: fep dax OUT: YELLOW YELLOW
IN: gazzer gazzer tufa dax OUT: PINK PINK PINK PINK PINK PINK
IN: gazzer OUT: PINK
IN: gazzer tufa dax OUT: PINK PINK PINK PINK
IN: fep tufa OUT: YELLOW YELLOW
IN: zup OUT: GREEN
IN: fep lug OUT: YELLOW YELLOW
IN: wif tufa dax OUT: BLUE BLUE BLUE BLUE

*GRAMMAR*
fep -> YELLOW 
 zup -> GREEN 
 gazzer -> PINK 
 wif -> BLUE 
 u1 tufa -> [u1] [u1] 
 x1 dax -> [x1] [x1] 
 u1 lug -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 