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

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

*GRAMMAR*
blicket -> BLUE 
 wif -> GREEN 
 kiki -> YELLOW 
 fep -> RED 
 x1 zup u1 -> [x1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 