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

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

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