*SUPPORT*
IN: tufa wif OUT: PINK GREEN
IN: wif zup OUT: GREEN BLUE
IN: blicket gazzer blicket OUT: RED RED
IN: zup kiki OUT: BLUE BLUE
IN: wif gazzer zup OUT: GREEN BLUE
IN: wif gazzer blicket OUT: GREEN RED
IN: wif dax OUT: GREEN GREEN GREEN
IN: zup OUT: BLUE
IN: zup dax OUT: BLUE BLUE BLUE
IN: tufa OUT: PINK
IN: blicket wif kiki OUT: RED GREEN GREEN
IN: blicket blicket dax OUT: RED RED RED RED
IN: wif zup gazzer tufa OUT: GREEN BLUE PINK
IN: zup zup tufa OUT: BLUE BLUE PINK

*QUERY*
IN: wif OUT: GREEN
IN: wif wif tufa OUT: GREEN GREEN PINK
IN: blicket dax OUT: RED RED RED
IN: tufa tufa blicket wif gazzer wif OUT: PINK PINK RED GREEN GREEN
IN: zup gazzer blicket OUT: BLUE RED
IN: wif kiki OUT: GREEN GREEN
IN: tufa dax OUT: PINK PINK PINK
IN: blicket kiki OUT: RED RED
IN: tufa kiki OUT: PINK PINK
IN: wif blicket dax OUT: GREEN RED RED RED

*GRAMMAR*
wif -> GREEN 
 zup -> BLUE 
 blicket -> RED 
 tufa -> PINK 
 u1 dax -> [u1] [u1] [u1] 
 u1 gazzer u2 -> [u1] [u2] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 