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

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

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