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

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

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