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

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

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