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

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

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