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

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

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