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

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

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