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

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

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