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

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

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