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

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

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