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

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

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