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

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

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