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

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

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