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

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

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