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

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

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