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

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

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