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

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

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