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

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

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