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

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

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