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

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

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