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

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

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