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

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

*GRAMMAR*
fep -> GREEN 
 dax -> RED 
 gazzer -> PURPLE 
 zup -> YELLOW 
 x1 tufa x2 -> [x1] [x2] [x2] [x1] 
 x1 blicket -> [x1] [x1] [x1] 
 u1 wif u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 