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

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

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