dreamcast system ?

[EVOEvo]

lets say i had a import dream cast if i put in a nstc game would it be in english or jap the reason i ask is i bought sonic 1 for dc off ebay the guy said it was english when i play it its all in jap so i figerd he was lieing so i went to the used video store bought sonic again and it to says nstc on the case but its in jap so its eather my system or peps liying about the game formatt im takeing the one back to the used store and they got a copy of it new for 5$ more i will buy it and hope it works cause i relly love this game its the main reson i bought the dc for was for sonics i bought the system off ebay for 50$ shiped it came with 10 games mem card 2 control pads and a fishing real pad i turned around and sold the 10 games and fishing real for 48$ so i only payed like 2$ for the system lol the dude i bought it from was a new member heh he would prob had got more then 50$ out of it but i emailed him and ask to buy it now