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

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

*GRAMMAR*
lug -> BLUE 
 wif -> RED 
 gazzer -> PINK 
 zup -> YELLOW 
 u1 dax -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] [x1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 