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

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

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