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

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

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