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

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

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