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

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

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