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

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

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