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

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

*GRAMMAR*
gazzer -> GREEN 
 wif -> RED 
 dax -> PINK 
 lug -> PURPLE 
 u1 blicket u2 -> [u1] [u2] [u1] 
 x1 fep x2 -> [x1] [x1] [x2] [x1] [x1] [x2] 
 u1 tufa x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 