*SUPPORT*
IN: kiki tufa kiki lug blicket gazzer kiki OUT: RED GREEN RED RED GREEN RED RED
IN: kiki blicket gazzer kiki OUT: RED RED GREEN RED GREEN
IN: blicket tufa dax OUT: GREEN YELLOW
IN: dax tufa kiki OUT: YELLOW RED
IN: kiki tufa kiki lug wif OUT: PINK RED RED
IN: wif OUT: PINK
IN: blicket kiki tufa kiki lug kiki OUT: RED GREEN RED RED
IN: wif tufa wif OUT: PINK PINK
IN: blicket tufa wif gazzer kiki OUT: RED GREEN PINK GREEN PINK
IN: wif blicket tufa blicket OUT: PINK GREEN GREEN
IN: dax tufa dax OUT: YELLOW YELLOW
IN: dax wif dax wif wif OUT: YELLOW PINK YELLOW PINK PINK
IN: kiki dax OUT: RED YELLOW
IN: dax tufa wif lug blicket OUT: GREEN YELLOW PINK

*QUERY*
IN: kiki blicket blicket tufa kiki lug wif OUT: PINK RED GREEN GREEN RED
IN: wif tufa dax lug blicket OUT: GREEN PINK YELLOW
IN: kiki wif OUT: RED PINK
IN: kiki OUT: RED
IN: kiki blicket tufa wif OUT: RED GREEN PINK
IN: wif wif dax tufa wif lug kiki OUT: RED PINK PINK YELLOW PINK
IN: blicket tufa dax gazzer blicket OUT: GREEN GREEN YELLOW GREEN YELLOW
IN: blicket tufa blicket OUT: GREEN GREEN
IN: blicket lug wif OUT: PINK GREEN
IN: blicket OUT: GREEN

*GRAMMAR*
blicket -> GREEN 
 wif -> PINK 
 dax -> YELLOW 
 kiki -> RED 
 x1 lug u1 -> [u1] [x1] 
 u1 tufa u2 -> [u1] [u2] 
 x1 gazzer u1 -> [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 