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

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

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