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

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

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