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

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

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