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

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

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