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

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

*GRAMMAR*
lug -> RED 
 zup -> GREEN 
 tufa -> YELLOW 
 gazzer -> PINK 
 x1 dax -> [x1] [x1] [x1] 
 x1 fep x2 -> [x2] [x1] 
 u1 wif x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 