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

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

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