*SUPPORT*
IN: wif tufa kiki OUT: YELLOW BLUE
IN: wif tufa lug OUT: PURPLE BLUE
IN: lug gazzer tufa kiki OUT: PURPLE YELLOW RED
IN: lug blicket gazzer tufa gazzer OUT: RED RED RED RED PURPLE
IN: kiki blicket gazzer wif OUT: RED BLUE RED BLUE YELLOW
IN: lug blicket kiki blicket gazzer OUT: RED RED YELLOW RED RED YELLOW PURPLE
IN: gazzer wif fep gazzer fep lug OUT: RED BLUE RED PURPLE PURPLE RED PURPLE PURPLE
IN: wif wif OUT: BLUE BLUE
IN: gazzer tufa gazzer OUT: RED RED
IN: kiki kiki OUT: YELLOW YELLOW
IN: wif OUT: BLUE
IN: gazzer kiki OUT: RED YELLOW
IN: lug tufa lug OUT: PURPLE PURPLE
IN: gazzer fep wif kiki OUT: RED BLUE YELLOW BLUE YELLOW

*QUERY*
IN: lug fep kiki gazzer tufa gazzer OUT: PURPLE YELLOW RED RED YELLOW RED RED
IN: wif blicket lug wif tufa kiki OUT: PURPLE YELLOW BLUE PURPLE YELLOW BLUE BLUE
IN: gazzer gazzer OUT: RED RED
IN: kiki tufa gazzer OUT: RED YELLOW
IN: kiki lug tufa gazzer OUT: YELLOW RED PURPLE
IN: lug OUT: PURPLE
IN: kiki tufa wif OUT: BLUE YELLOW
IN: gazzer OUT: RED
IN: lug tufa kiki OUT: YELLOW PURPLE
IN: kiki OUT: YELLOW

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