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

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

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