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

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

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