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

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

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