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

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

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