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

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

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