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

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

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