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

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

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