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

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

*GRAMMAR*
zup -> YELLOW 
 dax -> PURPLE 
 lug -> GREEN 
 gazzer -> RED 
 u1 tufa x1 -> [u1] [x1] [x1] 
 x1 kiki x2 -> [x1] [x2] [x2] 
 x1 wif x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 