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

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

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