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

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

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