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

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

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