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

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

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