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

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

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