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

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

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