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

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

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