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

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

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