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

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

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