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

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

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