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

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

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