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

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

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