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

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

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