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

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

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