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

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

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