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

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

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