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

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

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