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

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

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