How can join two query as a sub query in php

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PHP

MySQL

i have a problem with the sub query can any one help me please
i have two query and i want to write only one query with the help of sub query
main query is

SELECT Count(*) as total, UR.name,C.comment_assin FROM comment C INNER JOIN user_reg UR on C.comment_assin=UR.emp_id WHERE C.commentstatus NOT IN('0','3') group by comment_assin ORDER BY C.id DESC 

sub query is here

SELECT Count(*) AS TOTAL , UR.name,C.comment_assin FROM comment C INNER JOIN user_reg UR  on C.comment_assin=UR.emp_id  WHERE  C.commentstatus ='3' group by C.comment_assin  ORDER BY C.id DESC

i want to merge both the query with the help of sub query. how can do it please help.