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

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

*GRAMMAR*
zup -> GREEN 
 lug -> PURPLE 
 kiki -> RED 
 wif -> BLUE 
 u1 blicket -> [u1] [u1] 
 x1 dax x2 -> [x1] [x2] 
 x1 tufa -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 