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

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

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