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

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

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