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

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

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