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

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

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