Here are some concepts: light, look, sea

What is a sentence about these concepts?

Sentence is below.
sea looking smooth as in the dimming autumn light .

Here are some concepts: begin, ceremony, student, wait

What is a sentence about these concepts?

Sentence is below.
university students waiting for commencement ceremony to begin at the campus wednesday .

Here are some concepts: container, dock, shipping

What is a sentence about these concepts?

Sentence is below.
shipping containers at the docks with beautiful sky

Here are some concepts: light, stop, train

What is a sentence about these concepts?
Sentence is below.
Commuter train stopped on tracks at red light, green light further up the track.