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

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

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