Possible Clues:

• Obstruct or hinder any discussion
• Obstruct by refusing to answer questions
• Whatever you say, say nothing to Pip at barrier
• Be defensive — the way a single wicket is followed by the rest
• Jackson's not as well as he might be
• Delay or block (a proposal's) progress
• Refuse to co-operate
• *Refuse to cooperate
• Evade while being questioned
• Delay, block