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

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

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