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

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

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