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

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

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