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

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

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