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

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

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