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

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

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