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

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

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