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

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

*GRAMMAR*
blicket -> GREEN 
 zup -> YELLOW 
 fep -> RED 
 wif -> PINK 
 x1 tufa x2 -> [x2] [x1] 
 x1 kiki -> [x1] [x1] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 