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

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

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