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

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

*GRAMMAR*
fep -> YELLOW 
 gazzer -> PURPLE 
 kiki -> RED 
 wif -> GREEN 
 x1 tufa u1 -> [u1] [x1] 
 x1 blicket x2 -> [x1] [x2] 
 u1 zup u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 