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

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

*GRAMMAR*
blicket -> PINK 
 dax -> BLUE 
 wif -> RED 
 fep -> GREEN 
 x1 kiki -> [x1] [x1] [x1] 
 x1 tufa x2 -> [x2] [x1] [x2] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 