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

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

*GRAMMAR*
fep -> PINK 
 kiki -> PURPLE 
 lug -> GREEN 
 wif -> RED 
 u1 zup -> [u1] [u1] [u1] [u1] 
 u1 dax u2 -> [u2] [u1] 
 u1 tufa -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 