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

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

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