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

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

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