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

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

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