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

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

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