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

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

*GRAMMAR*
wif -> PURPLE 
 dax -> YELLOW 
 blicket -> GREEN 
 zup -> RED 
 u1 lug -> [u1] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 fep u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 