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

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

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