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

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

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