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

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

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