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

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

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