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

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

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