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

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

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