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

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

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