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

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

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