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

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

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