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

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

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