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

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

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