What are the keywords in the following sentence? evening light shines through the steam rising over tourist attraction
light, rise, shine

What are the keywords in the following sentence? People with flowers smiling in front of the sun.
flower, front, smile

What are the keywords in the following sentence? the pilots who flew military transport aircraft into country .
country, fly, pilot

What are the keywords in the following sentence? set of colored icons on a theme of deep sleep in a flat style with shadow
icon, set, style, theme