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

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

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