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

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

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