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

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

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