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

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

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