Context:
The term "four-part harmony" refers to music written for four voices or for some other musical medium—four musical instruments or a single keyboard instrument, for example—where the various musical parts can give a different note for each chord of the music.
Hypothesis: Four-part harmony is long tradition of music
It's impossible to say
Context:
Nuance was an American dance music/freestyle group. It was formed by the producer and arranger, Ron Dean Miller, and featured Vikki Love on vocals. They charted three hits on the US "Billboard" Hot Dance Music/Club Play chart in the 1980s, including "Loveride," which hit #1 in 1985. The same track peaked at #59 in the UK Singles Chart in January 1985.
Hypothesis: "Loveride" was not released as a single.
No
Context:
Chicago White Sox Charities also provides annual ongoing support to programs such as Special Olympics and the Inner City Little League.
Hypothesis: the agent is talking about cats

No