I don't know why people call north east Indian " Chinese "​

i believe that one is charlie,my friend

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."

the two sonnets of sidney most closely follows the division between the octave and the sestet are the astrophel and stella sonnets.