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

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

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