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

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

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