Identify and explain an example of irony in the play "Trifles." What type of irony does this seem to be?
a) Mrs. Wright's quilting, symbolizing her peaceful nature, amidst a murder investigation (Dramatic irony)
b) The men dismissing women's concerns as insignificant, while the women solve the murder (Situational irony)
c) Mr. Wright's canary, initially seen as a source of joy, ultimately leading to his wife's motive for murder (Verbal irony)
d) The sheriff's confidence in solving the case, despite the crucial evidence being overlooked (Cosmic irony)