Write Relational Algebra Queries based on the following relationships:

Table 2: Relationships

Table Name	Columns
Book	Sid (Primary key), Sname, Address
Parts	Pid (Primary key), Pname, Color
Catalog	Sid (Primary key), Pid (Primary key), Cost

Q1) Write Relational Algebra query to Retrieve the supplier name for suppliers with any red part

Q2) Write Relational Algebra query to Retrieve the suppliers sids for suppliers with any red or green part