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

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

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