Can we omit the pronoun in the following sentences,
1) "Clare, who is sleeping in the couch, is Mike's daughter."
2) "The man, who was smoking a cigarette, hurried home."
3) "A boy who is jumping on the bed is Freddy's son."
into these sentences respectively,
a) "Clare, sleeping in the couch, is Mike's daughter."
b) "The man, smoking a cigarette, hurried home."
c) "A boy jumping on the bed is Freddy's son."
and why?