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

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

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