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

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

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