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

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

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