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

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

*GRAMMAR*
tufa -> RED 
 lug -> YELLOW 
 wif -> BLUE 
 zup -> PURPLE 
 x1 dax x2 -> [x2] [x1] [x1] 
 x1 fep u1 -> [x1] [u1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 