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

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

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