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

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

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