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

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

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