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

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

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