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

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

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