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

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

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