sentence: James needed more sheet to finish writing the letter because the  OPTIONS:
- letter is a very long one.
- sheet is a very long one.
complete: letter is a very long one.

sentence: Justin made a knotted ribbon necklace for Donald since  OPTIONS:
- Justin didn't know how to make them.
- Donald didn't know how to make them.
complete: Donald didn't know how to make them.

sentence: The smoke of the incense filled the whole room and started to choke people because the  OPTIONS:
- smoke is too much.
- room is too much.
complete:
smoke is too much.