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

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

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