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

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

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