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

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

*GRAMMAR*
gazzer -> YELLOW 
 zup -> GREEN 
 tufa -> PURPLE 
 lug -> RED 
 u1 fep u2 -> [u1] [u2] 
 u1 wif -> [u1] [u1] 
 u1 kiki x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 