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

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

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