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

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

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