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

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

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