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

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

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