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

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

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