Question

which sentence has an optimistic tone?
this group of wide - eyed boys with a love of the game reminds me of my own freshman squad.
though shanna is an underdog in the tournament, skillful coaching is likely to increase her success.
with a roster full of inexperienced players, the team is unlikely to win a game in the national tournament.
milo is an underdog in the tournament because he had only seven wins during the regular season.

Explanation:

An optimistic tone conveys hope and positive - thinking. The second sentence mentions that although Shanna is an underdog, skillful coaching is likely to increase her success, which shows a positive outlook. The first sentence is more nostalgic, the third and fourth are pessimistic about the team's and Milo's chances.

Answer:

Though Shanna is an underdog in the tournament, skillful coaching is likely to increase her success.