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

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

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