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

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

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