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

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

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