Is the group of words a simple sentence, a compound sentence, a run-on sentence, or a sentence fragment?

walking through the park, the new trail to the hidden waterfall.

a.
compound sentence

b.
sentence fragment

c.
run-on sentence

d.
simple sentence

The answer is B because its being separated/fragmented into different pieces

B. sentence Fragment

Explanation:

This sentence is not a complete thought so that leaves it as a fragment.

the answer is the second one.

"fire and ice" is one of robert frost's most popular poems. it was published in december 1920 in harper's magazine and in 1923 in his pulitzer prize−winning book new hampshire. it discusses the end of the world, likening the elemental force of fire with the emotion of desire, and ice with hate.

c. the power of desire is greater than the power of hate.