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

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

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