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

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

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