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

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

*GRAMMAR*
gazzer -> PINK 
 tufa -> YELLOW 
 wif -> RED 
 fep -> BLUE 
 x1 lug -> [x1] [x1] [x1] 
 x1 dax x2 -> [x2] [x1] 
 x1 blicket -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 