question: Along with Barbra Streisand , the Carpenters , Dionne Warwick , Barry Manilow and Olivia Newton-John , what adult contemporary staple found it more difficult to score chart hits in the 1980s ?
answer: John Denver
turker_answer: Adult contemporary staple John Denver , along with Barbra Streisand , the Carpenters , Dionne Warwick , Barry Manilow and Olivia Newton-John found it more difficult to score chart hits in the 1980s .
rule-based: Along with Barbra Streisand , the Carpenters , Dionne Warwick , Barry Manilow and Olivia Newton-John , John Denver found it more difficult to score chart hits in the 1980s .