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

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

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