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

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

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