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

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

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