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

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

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