*SUPPORT*
IN: wif zup kiki OUT: RED YELLOW YELLOW
IN: dax kiki blicket wif OUT: PINK PINK RED PINK PINK
IN: zup OUT: YELLOW
IN: tufa lug wif lug dax lug dax OUT: GREEN RED PINK PINK
IN: dax tufa zup kiki OUT: PINK GREEN YELLOW YELLOW
IN: wif dax kiki lug wif lug zup OUT: RED PINK PINK RED YELLOW
IN: tufa OUT: GREEN
IN: wif zup kiki lug wif OUT: RED YELLOW YELLOW RED
IN: wif blicket tufa blicket wif OUT: RED GREEN RED RED RED GREEN RED
IN: dax lug tufa OUT: PINK GREEN
IN: zup dax zup OUT: YELLOW PINK YELLOW
IN: dax OUT: PINK
IN: dax kiki OUT: PINK PINK
IN: zup blicket dax OUT: YELLOW PINK YELLOW

*QUERY*
IN: wif dax lug tufa OUT: RED PINK GREEN
IN: tufa wif wif OUT: GREEN RED RED
IN: wif kiki OUT: RED RED
IN: zup blicket zup blicket zup lug wif OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW RED
IN: zup wif wif lug zup OUT: YELLOW RED RED YELLOW
IN: zup kiki blicket zup lug dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW PINK
IN: wif zup wif kiki lug tufa OUT: RED YELLOW RED RED GREEN
IN: tufa kiki OUT: GREEN GREEN
IN: zup kiki OUT: YELLOW YELLOW
IN: wif OUT: RED

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