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

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

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