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

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

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