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

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

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