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

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

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