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

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

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