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

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

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