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

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

*GRAMMAR*
kiki -> BLUE 
 wif -> RED 
 dax -> PINK 
 gazzer -> GREEN 
 x1 zup -> [x1] [x1] [x1] 
 u1 tufa u2 -> [u2] [u1] [u1] [u2] [u2] [u1] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 