Read the following context and choose the best option to answer the question.
Context: I had a lighter lunch when I got home because of my mid - morning snacks and because I was n't starving after all that sipping and munching . I had a morningstar farms black bean burger on a Rudi 's english muffin with a slice of reduced fat cheddar , hot sauce and ketchup . I CRAVE these sammies ! They are SOOO good ! ! !
Question: What may be the reason for them buying morningstar products ?
Options: 
- Because they like the logo .
 - Because this was recommended to them .
 - Because they are vegetarian .
 - None of the above choices .


Because they are vegetarian .