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

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

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