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

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

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