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

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

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