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

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

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