*SUPPORT*
IN: tufa wif tufa OUT: RED RED RED RED
IN: gazzer gazzer tufa wif blicket OUT: YELLOW YELLOW RED GREEN GREEN RED
IN: blicket wif kiki OUT: GREEN BLUE BLUE GREEN
IN: tufa kiki OUT: RED BLUE
IN: blicket fep blicket OUT: GREEN GREEN
IN: blicket fep gazzer OUT: GREEN YELLOW
IN: gazzer wif tufa OUT: YELLOW RED RED YELLOW
IN: gazzer OUT: YELLOW
IN: gazzer wif gazzer OUT: YELLOW YELLOW YELLOW YELLOW
IN: tufa wif blicket OUT: RED GREEN GREEN RED
IN: gazzer zup OUT: YELLOW YELLOW
IN: blicket OUT: GREEN
IN: kiki OUT: BLUE
IN: tufa zup OUT: RED RED

*QUERY*
IN: kiki fep tufa OUT: BLUE RED
IN: kiki tufa OUT: BLUE RED
IN: kiki wif tufa OUT: BLUE RED RED BLUE
IN: tufa fep gazzer wif blicket OUT: RED YELLOW GREEN GREEN YELLOW
IN: gazzer fep kiki kiki OUT: YELLOW BLUE BLUE
IN: kiki wif kiki OUT: BLUE BLUE BLUE BLUE
IN: tufa kiki wif tufa OUT: RED BLUE RED RED BLUE
IN: kiki kiki kiki wif gazzer OUT: BLUE BLUE BLUE YELLOW YELLOW BLUE
IN: gazzer blicket fep blicket OUT: YELLOW GREEN GREEN
IN: blicket zup OUT: GREEN GREEN

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