In the following list of statement identify the correct set : 

(a)     Linear programming is developed by using immediate reinforcement
 (b)     Interactive phase of teaching facilitates the process of communication. 
 (c)     Synectic method facilitates creative process 
 (d)     Flanders interaction analysis focuses on indirect talk patterns 
  (e)     Instructional strategies are centred on information based on divergent thinking. 
  Codes :