Popular interest in music performed by folk singer Jean Ritchie acted as a ______ because it ______ a wider interest in the music of Ritchie"s native Kentucky.

多项选择题Although the archaeologist ______ the symbols on the cave wall, she was, unable to ______ them because they were too faint.

多项选择题The judges for the chili competition were ______, noting subtle differences between dishes that most people would not detect.