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

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

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