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

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

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