Rolls and Rolls Plus Sushi

Rolls and Rolls + Sushi is a Japanese restaurant offering a huge array of rolls. They have a vegetarian menu which has many interesting and creative dishes, including the bibimbap, and 'Earth' rolls with mushrooms and 'gobo', various tofu based rolls, and sundried tomato and avocado sushi. Please check if some of the sauces and additions used on these dishes are suitable for vegans.