What are the keywords in the following sentence? the hike begins where the pavement ends .
begin, end, hike

What are the keywords in the following sentence? shadow of heart formed by hands is placed on the belly
belly, hand, heart

What are the keywords in the following sentence? trees framing an ancient temple
frame, temple, tree

What are the keywords in the following sentence? a senior couple crossing arch bridge on a winter morning
bridge, couple, cross