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

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

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