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

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

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