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

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

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