<p>Which of the adjectives in these are not correct?</p><p>1) A<i> four-<u>person</u></i> group</p><p>2) A <i>four-<u>people</u></i> group</p><p>3) A <i>six-<u>foot</u>-tall</i> man</p><p>4) A<i> six-<u>feet</u>-tall</i> man</p>