Complex sentence: Many students think that BfL's colours, red and orange, are aggressive and that the posters are' Orwellian'because they use intimidating phrases in capitals such as, "YOU DIDN'T STOP TO THINK" and "THE CONSEQUENCES ARE NOW SERIOUS".
Split into simpler sentences: Many students think that BfL's colours, red and orange, are aggressive. Likewise, some see the posters as' Orwellian'in their use intimidating phrases in capitals such as, "YOU DIDN'T STOP TO THINK" and "THE CONSEQUENCES ARE NOW SERIOUS".