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

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

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