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

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

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