1. The volunteers there deliver food to old people.
(What is the part of speech of 'there'? Does 'there' modify 'volunteers? Then it is an adjective? Or is 'there' an adverb?)
There is an adverb modifying "deliver."
In the sentence provided, "there" is not functioning as an adjective. Instead, it is an adverb.
The word "there" is used as an adverb to indicate the location or existence of something. In this sentence, "there" is used to specify the location where the volunteers deliver food – it refers to a specific place. Adverbs often modify verbs, adjectives, or other adverbs in a sentence. In this case, "there" modifies the verb "deliver" by specifying where the action takes place.