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

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

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