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

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

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