How many persons are sitting in the right of O?

Three persons are sitting to the left of W. One person is sitting between W and the person, who likes Oppo. Three persons are sitting between E and the person, who likes Oppo. G is sitting fourth to the right of E. G is sitting second to the left of Y. There will be two cases and one subcase: The one who likes Oppo second either to the right or left of W. E sits fourth either to the right or left of the one who likes Oppo. _____   Oppo _____ W _____ E ____  ____  ____ G ____ Y                                     CASE 1. _____   E  _____ W  ____ G (Oppo) ____ Y CASE 2. _____   ____  _____ W  ____ Oppo ____  ____  _____ E ____  ____  ____  G____ Y                                     CASE 2.a.   Number of persons sitting between W and G is equal to the number of persons sitting between G and C. In Case 1. We know that five person sit between W and G so, same number of person will sit between G and C. Case 2 will get discarded as we cannot place C. In Case 2.a. We know that nine person sit between W and G so, same number of person will sit between G and C. _____   Oppo _____ W _____ E ____  ____  ____ G ____ Y _____   ____  ____ C                                     CASE 1. _____   E  _____ W  ____ G (Oppo) ____ Y CASE 2. _____   ____  _____ W  ____ Oppo ____  ____  _____ E ____  ____  ____  G____ Y ____  ____  ____   ____  ____  ____  ____ C                                     CASE 2.a. Five persons are sitting between Y and I, who likes Vivo. One person is sitting between I and P. Three persons are sitting between P and O. Number of persons sitting between G and I is equal to the number of persons sitting between I and the person sitting at the extreme right end. I sits sixth to the right of Y and P sits second to the right of I. We know that seven person sit between G and I so, same number of person will sit between I and the person sitting at the extreme right end. _____   Oppo _____ W _____ E ____  ____  ____ G ____ Y _____   ____  ____ C _____ I(Vivo) _____   P  ____ _____   ____  O  ____  _____                                                             CASE 1. _____   ____  _____ W  ____ Oppo ____  ____  _____ E ____  ____  ____  G____ Y ____  ____  ____   P  ____  I(Vivo)  ____ C ____  _____   ____  ____  ____  _____                                                             CASE 2.a. M is second person from one of the extreme ends. Nine persons are sitting between M and S, who likes Apple. Person, who likes Samsung is sitting ninth from one of the extreme ends. _____   Oppo _____ W _____ E ____  ____  Samsung G ____ Y _____   ____  S(Apple) C _____ I(Vivo) _____   P  ____ _____   ____  O  M  _____ Final arrangement as shown below: ____ Oppo ____ W  ___ E ____  ___ Samsung G ___ Y ___  ____ S (Apple) C ____ I (Vivo) ___ P ____  ____ ____ O M____