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

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

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