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

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

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