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

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

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