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

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

*GRAMMAR*
tufa -> PINK 
 wif -> GREEN 
 gazzer -> YELLOW 
 fep -> BLUE 
 x1 lug -> [x1] [x1] [x1] 
 u1 dax u2 -> [u1] [u2] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 