*SUPPORT*
IN: dax fep wif OUT: GREEN RED
IN: wif lug fep dax kiki OUT: RED PINK GREEN RED PINK GREEN
IN: dax dax fep wif OUT: GREEN GREEN RED
IN: lug fep dax tufa kiki OUT: PINK GREEN PINK GREEN PINK GREEN PINK GREEN
IN: lug fep lug OUT: PINK PINK
IN: dax fep lug tufa kiki OUT: GREEN PINK GREEN PINK GREEN PINK GREEN PINK
IN: blicket fep wif OUT: YELLOW RED
IN: blicket OUT: YELLOW
IN: dax fep wif tufa OUT: GREEN RED GREEN RED
IN: wif dax kiki OUT: RED GREEN RED GREEN
IN: blicket fep blicket tufa OUT: YELLOW YELLOW YELLOW YELLOW
IN: blicket fep blicket kiki OUT: YELLOW YELLOW YELLOW YELLOW
IN: wif OUT: RED
IN: wif kiki OUT: RED RED

*QUERY*
IN: wif fep wif OUT: RED RED
IN: lug fep dax OUT: PINK GREEN
IN: lug OUT: PINK
IN: lug lug OUT: PINK PINK
IN: lug fep blicket tufa OUT: PINK YELLOW PINK YELLOW
IN: dax kiki kiki OUT: GREEN GREEN GREEN GREEN
IN: wif fep blicket OUT: RED YELLOW
IN: lug dax fep blicket tufa OUT: PINK GREEN YELLOW PINK GREEN YELLOW
IN: dax OUT: GREEN
IN: wif lug kiki OUT: RED PINK RED PINK

*GRAMMAR*
wif -> RED 
 lug -> PINK 
 blicket -> YELLOW 
 dax -> GREEN 
 x1 tufa -> [x1] [x1] 
 u1 fep u2 -> [u1] [u2] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 