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

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

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