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

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

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