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

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

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