a group of two or three syllables is referred to as a foot.
https://www.google.com/url?sa=i&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwjX2PiTydneAhUrm-AKHcd8BvUQjRx6BAgBEAU&url=http%3A%2F%2Fwww.mammothmemory.net%2Fenglish%2Fliterature%2Fstress%2Fiambic-pentameter-shakespeare.html&psig=AOvVaw0bE4scuhNLQAY3LQ4a7I_E&ust=1542480315301492
thatsan example
The walker dosen't think will deserve to be the sign seeker.
<span />
Anglo-Saxons liked to gather in the lord's great hall, to eat and drink, and to listen to songs and stories. They loved tales about brave warriors and their adventures. A favourite story told how Beowulf, a heroic prince, kills the fierce man-eating monster Grendel, and Grendel's equally horrid mother. The story of Beowulf was first written down in the 8th-9th centuries, but long before that the story was told around the fire. The storyteller played music to accompany the songs and poems, on a small harp or on another stringed instrument called a lyre
Answer:
I would say that firefighters and police officers are called heroes because they would do anything to help or save a person's life. They sacrifice their lifes for other people. Sadly, while they do some of these sacrifizes, they may end up hurting themselves or there life's ending.