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

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

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