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

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

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