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

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

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