Why did Mr. Chin jump into the river after the race?

Mr. Chin jumped into the river after the race to rescue Annabel, who had jumped in. This action demonstrates his bravery and sense of responsibility, reflecting a character trait that values the safety and well-being of others. Such moments in literature often highlight themes of friendship and heroism, as the characters take action not only for themselves but also to support those they care about. By jumping in, Mr. Chin shows his quick thinking and willingness to risk his own safety for the sake of someone else, which can resonate with readers as a powerful example of selflessness. The context of the race and the events leading up to this moment likely set the stage for this sudden and urgent action.