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

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

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