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

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

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