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

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

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