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

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

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