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

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

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