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

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

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