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

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

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