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

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

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