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

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

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