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

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

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