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

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

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