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

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

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