*SUPPORT*
IN: wif gazzer lug OUT: PINK YELLOW
IN: zup gazzer zup blicket OUT: GREEN GREEN GREEN GREEN
IN: lug gazzer lug dax OUT: PINK PINK PINK PINK
IN: lug OUT: PINK
IN: zup gazzer wif OUT: YELLOW GREEN
IN: kiki gazzer zup OUT: GREEN RED
IN: lug blicket OUT: PINK PINK
IN: wif OUT: YELLOW
IN: lug gazzer wif dax OUT: YELLOW PINK YELLOW PINK
IN: zup gazzer zup OUT: GREEN GREEN
IN: kiki gazzer wif OUT: YELLOW RED
IN: wif gazzer wif OUT: YELLOW YELLOW
IN: lug gazzer wif dax dax OUT: YELLOW PINK YELLOW PINK YELLOW PINK YELLOW PINK
IN: kiki OUT: RED

*QUERY*
IN: kiki lug dax OUT: RED PINK RED PINK
IN: kiki blicket blicket OUT: RED RED RED RED
IN: zup OUT: GREEN
IN: lug gazzer lug OUT: PINK PINK
IN: zup gazzer lug dax OUT: PINK GREEN PINK GREEN
IN: wif lug blicket OUT: YELLOW PINK YELLOW PINK
IN: lug gazzer zup OUT: GREEN PINK
IN: zup gazzer kiki blicket OUT: RED GREEN RED GREEN
IN: wif gazzer wif blicket OUT: YELLOW YELLOW YELLOW YELLOW
IN: zup wif wif OUT: GREEN YELLOW YELLOW

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