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

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

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