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

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

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