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

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

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