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

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

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