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

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

*GRAMMAR*
blicket -> YELLOW 
 tufa -> GREEN 
 dax -> BLUE 
 lug -> PURPLE 
 x1 fep x2 -> [x1] [x2] 
 u1 wif u2 -> [u2] [u1] 
 u1 gazzer u2 -> [u2] [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 