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

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

*GRAMMAR*
wif -> PINK 
 lug -> RED 
 tufa -> YELLOW 
 kiki -> GREEN 
 x1 zup -> [x1] [x1] 
 x1 fep u1 -> [u1] [x1] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 