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

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

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