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

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

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