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

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

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