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

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

*GRAMMAR*
wif -> PURPLE 
 tufa -> PINK 
 lug -> BLUE 
 zup -> GREEN 
 u1 kiki -> [u1] [u1] 
 u1 fep u2 -> [u1] [u2] [u1] 
 x1 gazzer x2 -> [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 