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

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

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