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

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

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