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

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

*GRAMMAR*
wif -> YELLOW 
 dax -> RED 
 zup -> GREEN 
 blicket -> PINK 
 u1 tufa -> [u1] [u1] 
 x1 gazzer x2 -> [x2] [x2] [x1] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 