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

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

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