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

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

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