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

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

*GRAMMAR*
wif -> PURPLE 
 fep -> GREEN 
 dax -> YELLOW 
 blicket -> BLUE 
 u1 lug x1 -> [x1] [u1] 
 x1 tufa x2 -> [x1] [x2] [x2] 
 u1 gazzer x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 