*SUPPORT*
IN: kiki fep tufa OUT: PURPLE GREEN
IN: kiki gazzer tufa OUT: GREEN PURPLE
IN: tufa gazzer zup OUT: BLUE GREEN
IN: zup wif OUT: BLUE BLUE BLUE BLUE
IN: blicket fep zup OUT: RED BLUE
IN: blicket OUT: RED
IN: tufa kiki gazzer tufa OUT: GREEN GREEN PURPLE
IN: tufa OUT: GREEN
IN: zup OUT: BLUE
IN: kiki zup gazzer zup OUT: PURPLE BLUE BLUE
IN: blicket wif OUT: RED RED RED RED
IN: zup gazzer kiki OUT: PURPLE BLUE
IN: blicket fep tufa OUT: RED GREEN
IN: blicket fep blicket OUT: RED RED

*QUERY*
IN: tufa wif OUT: GREEN GREEN GREEN GREEN
IN: blicket kiki OUT: RED PURPLE
IN: zup tufa kiki wif OUT: BLUE GREEN PURPLE PURPLE PURPLE PURPLE
IN: kiki OUT: PURPLE
IN: blicket blicket OUT: RED RED
IN: blicket blicket gazzer kiki OUT: RED PURPLE RED
IN: kiki gazzer kiki OUT: PURPLE PURPLE
IN: tufa gazzer tufa OUT: GREEN GREEN
IN: kiki kiki gazzer zup OUT: PURPLE BLUE PURPLE
IN: zup fep tufa OUT: BLUE GREEN

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