The second.
However is stressed on the second syllable. (hou-ev-er)
Deliver has the stress on the second syllable.
Important is stressed on the second syllable.
I think it would be on the second syllable. However, it is possible that in some dialects, the first syllable would be acceptable, and people may put stress on the first syllable for emphasis.
The stress syllable in "personalise" is on the second syllable, "son".
The stress syllable in the word "deliver" is the second syllable - "liv."
The stress syllable in "service" is on the first syllable: SER-vice.
The stress syllable of "attractive" is the second syllable - "trac."
The stress syllable of "important" is the second syllable - "por".
The stress syllable in the word "organization" is "ni-".
The stress on a syllable can be called an accent.
The stress is on the second syllable 'tin'