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

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

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