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

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

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