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

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

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