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

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

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