Question: Between TISM and Starsailor, which group has more members?

Context paragraphs:
TISM: TISM (an acronym of This Is Serious Mum) were a seven-piece anonymous alternative rock band from Melbourne, Australia.  The group were formed on 30 December 1982 by vocalist/drummer Humphrey B. Flaubert, bassist/vocalist Jock Cheese and keyboardist/vocalist Eugene de la Hot Croix Bun, and enjoyed a large underground/independent following.  Their third album, "Machiavelli and the Four Seasons", reached the Australian national top 10 in 1995.

Starsailor (band): Starsailor is an English post-Britpop band, formed in 2000.  Since its formation the band has included guitarist and vocalist James Walsh, drummer Ben Byrne, bassist James Stelfox and keyboardist Barry Westhead.

Supporting paragraphs: TISM Starsailor (band)
Answer: Starsailor