*SUPPORT*
IN: dax zup tufa OUT: PURPLE BLUE
IN: blicket kiki tufa OUT: PURPLE PURPLE RED
IN: blicket lug blicket OUT: RED RED RED
IN: blicket kiki blicket OUT: RED RED RED
IN: tufa dax wif kiki wif OUT: PURPLE BLUE GREEN GREEN GREEN
IN: tufa wif kiki tufa zup tufa OUT: PURPLE PURPLE PURPLE PURPLE GREEN
IN: tufa wif dax kiki tufa zup tufa OUT: PURPLE PURPLE GREEN PURPLE PURPLE BLUE
IN: tufa kiki wif zup wif OUT: GREEN GREEN GREEN PURPLE
IN: wif OUT: GREEN
IN: wif tufa blicket lug tufa zup blicket OUT: RED GREEN PURPLE PURPLE RED RED
IN: tufa lug wif OUT: GREEN PURPLE PURPLE
IN: wif lug blicket OUT: RED GREEN GREEN
IN: dax kiki dax OUT: BLUE BLUE BLUE
IN: blicket blicket OUT: RED RED

*QUERY*
IN: tufa blicket OUT: PURPLE RED
IN: tufa lug dax zup dax OUT: BLUE BLUE PURPLE PURPLE
IN: blicket lug tufa OUT: PURPLE RED RED
IN: tufa wif wif blicket lug dax OUT: PURPLE GREEN GREEN BLUE RED RED
IN: wif kiki wif OUT: GREEN GREEN GREEN
IN: tufa OUT: PURPLE
IN: tufa kiki blicket OUT: RED RED PURPLE
IN: blicket kiki tufa zup tufa OUT: PURPLE PURPLE PURPLE RED
IN: dax lug wif zup wif OUT: GREEN GREEN BLUE BLUE
IN: wif kiki dax OUT: BLUE BLUE GREEN

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