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

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

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