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

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

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