[word=The] [tag=NN] □ □ □
[word=The] [tag=NN] [□] □ □
[word=The] [tag=NN] □* □ □
The proof works by using an explicit enumeration of rational numbers as shown in the diagram below . " The heart starts beating again , but the real focus of the story is not so much the beating of the heart as it is how to hear the beating of a heart . The solution is then heated , which causes the double-stranded DNA to separate into two single strands . The search returns 80 + articles . The anthology uses well-known excerpts to help students learn new concepts through music that is already familiar , while lesser-known excerpts provide many unfamiliar sight-singing melodies to practice and test skills .