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

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

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