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

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

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