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

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

*GRAMMAR*
lug -> YELLOW 
 zup -> GREEN 
 kiki -> RED 
 wif -> PURPLE 
 x1 dax x2 -> [x1] [x2] 
 u1 tufa x1 -> [x1] [u1] 
 u1 gazzer u2 -> [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 