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

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

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