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

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

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