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

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

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