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

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

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