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

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

*GRAMMAR*
lug -> PINK 
 dax -> PURPLE 
 fep -> BLUE 
 kiki -> GREEN 
 x1 tufa x2 -> [x2] [x2] [x1] 
 u1 gazzer x1 -> [x1] [u1] 
 x1 wif u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 