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

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

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