What kind of vowel sound is indicated by the five unmarked vowel letters?

In tim o’brien’s chapter good form what does the narrator say is the happening truth

Which line of dialogue best describes mrs. x’s sense of superiority over miss y at the begging of the play? a. “if you wanted to shoot me it wouldn’t be so surprising, because i stood in your way.” b. “home is the best of all, the theatre next and children—well, you wouldn’t undertake that.” c. i embroidered them myself—i can’t bear tulips, but he wants tulips on everything.” d. it’s sinful to sit here and make fun of ones husband this way when he is kind and a good little man.”

Who is ¨ the guilty party¨ at the end of the text, and how do his actions contribute to the storys theme?