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

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

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