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

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

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