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

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

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