premise: A five piece horn band all playing in a hall of what looks like a church. hypothesis: The city laments at their lack of musicians.
contradiction: There cannot both be a band playing and a lack of musicians because the members of the band are musicians.|contradiction: A city cannot lament at their lack of musicians if there is a five piece horn band all playing.|contradiction: A lack of musicians implies there are none, which would mean a five piece band could not be playing.