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

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

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