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

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

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