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

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

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