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

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

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