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

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

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