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

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

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