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

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

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