Original sentence: Adapting to local tastes and diets, some Vietnamese restaurants in the United States offer chicken-based phở, called phở gà, recently Saigon offer ostrict-or-small-clam-based one called phở đà điểu or phở nghêu, or phở without visible pieces of meat (called phở rau), or vegetarian phở (called phở chay)
Edited sentence: Adapting to local tastes and diets, some Vietnamese restaurants in the United States offer chicken-based phở, called phở gà, recently Saigon offer ostrich-or-small-clam-based one called phở đà điểu or phở nghêu, or phở without visible pieces of meat (called phở rau), or vegetarian phở (called phở chay)