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

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

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