*SUPPORT*
IN: zup fep zup zup OUT: BLUE BLUE BLUE BLUE BLUE
IN: tufa tufa fep tufa wif OUT: PURPLE PURPLE PURPLE RED PURPLE PURPLE
IN: tufa dax tufa OUT: PURPLE PURPLE PURPLE
IN: lug fep tufa OUT: YELLOW PURPLE YELLOW YELLOW
IN: lug blicket wif OUT: RED RED RED YELLOW RED YELLOW YELLOW YELLOW
IN: tufa dax lug OUT: PURPLE YELLOW YELLOW
IN: zup OUT: BLUE
IN: wif tufa dax lug OUT: RED PURPLE YELLOW YELLOW
IN: lug fep tufa dax zup OUT: YELLOW PURPLE YELLOW YELLOW BLUE BLUE
IN: zup lug dax zup OUT: BLUE YELLOW BLUE BLUE
IN: zup fep tufa lug dax lug OUT: BLUE PURPLE YELLOW BLUE BLUE YELLOW YELLOW
IN: tufa blicket lug OUT: YELLOW YELLOW YELLOW PURPLE YELLOW PURPLE PURPLE PURPLE
IN: lug zup dax wif OUT: YELLOW BLUE RED RED
IN: tufa OUT: PURPLE

*QUERY*
IN: zup zup dax zup dax zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif OUT: RED
IN: lug blicket lug OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup blicket zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: lug OUT: YELLOW
IN: zup wif fep zup dax zup OUT: BLUE RED BLUE RED RED BLUE BLUE
IN: zup dax tufa OUT: BLUE PURPLE PURPLE
IN: wif fep zup OUT: RED BLUE RED RED
IN: lug zup fep wif lug tufa OUT: YELLOW BLUE RED YELLOW PURPLE BLUE BLUE
IN: wif dax wif OUT: RED RED RED

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