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

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

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