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

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

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