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

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

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