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

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

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