YOU SAID:

One person is briefly shown smoking a pipe.

INTO JAPANESE

一人がパイプを吸っているところを簡単に見せられます。

BACK INTO ENGLISH

You can easily see one person smoking a pipe.

INTO JAPANESE

一人がパイプを吸っているのが簡単にわかります。

BACK INTO ENGLISH

You can easily see that one person is smoking the pipe.

INTO JAPANESE

1人がパイプを吸っていることが簡単にわかります。

BACK INTO ENGLISH

It's easy to see that one person is smoking a pipe.

INTO JAPANESE

一人がパイプを吸っているのは簡単にわかります。

BACK INTO ENGLISH

It's easy to see that one person is smoking a pipe.