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

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

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