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

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

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