"Despite the incessant rain, the determined hikers persevered to reach the summit."
Despite: Preposition
the: Definite Article
incessant: Adjective
rain: Noun
the: Definite Article
determined: Adjective
hikers: Noun
persevered: Verb
to: Infinitive marker (Preposition)
reach: Verb (Infinitive)
the: Definite Article
summit: Noun