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

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

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