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

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

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