Context for Predicting Next Word

$1$ point possible $($graded$)$

What is the issue with predicting the next word in the sentence using the previous three words as context?

$($Choose all that apply.$)$

Some words might need more context to predict

Some words might need less context to predict, and additional words could be inefficient

Some words might be closely related to words far away in the sentence

Longer words are harder to predict because they have more letters