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

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

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