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

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

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