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

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

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