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

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

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