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

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

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