question: leleti becomes friends with her teacher mary (played by whoopi goldberg) who encourages her to rise up in protest.
Capitalize this past sentence correctly.
A: Leleti becomes friends with her teacher Mary (played by Whoopi Goldberg) who encourages her to rise up in protest.

question: the survival rate was higher in the group which received melatonin.
Capitalize this past sentence correctly.
A: The survival rate was higher in the group which received melatonin.

question: it is important to note that private browsing is only blocking local data from being written.
Capitalize this past sentence correctly.
A: It is important to note that private browsing is only blocking local data from being written.