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

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

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