input: [S. No.] 3 Development team does the actual coding based on the designed architecture. Testing team write the detailed test cases. [Phase] 
output: Coding or development
options: R e q u i r e m e n t s G a t h e r i n g
options: D e s i g n
options: C o d i n g o r d e v e l o p m e n t
options: T e s t i n g
options: D e p l o y m e n t
options: M a i n t e n a n c e