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

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

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