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

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

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