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

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

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