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

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

*GRAMMAR*
lug -> GREEN 
 zup -> RED 
 wif -> PINK 
 kiki -> BLUE 
 x1 dax -> [x1] [x1] 
 x1 tufa x2 -> [x2] [x1] [x1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 