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

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

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