language an IETF language code indicating the language used in the user's review.
This field contains the main language tag only, and not the secondary tag indicating country or region.
For example, all the English reviews are tagged as 'en', and not 'en-AU' or 'en-UK' and so on.
text the user's review. When reviewing a location with Google Places, text reviews are considered optional.
Therefore, this field may by empty. Note that this field may include simple HTML markup. For example,
the entity reference & may represent an ampersand character.