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

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

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