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

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

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