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

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

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