Extract the answer to the question from the following context. Question: What repeated phrase suggests that it is critical? Context: The SCN projects to a set of areas in the hypothalamus, brainstem, and midbrain that are involved in implementing sleep-wake cycles. An important component of the system is the reticular formation, a group of neuron-clusters scattered diffusely through the core of the lower brain. Reticular neurons send signals to the thalamus, which in turn sends activity-level-controlling signals to every part of the cortex. Damage to the reticular formation can produce a permanent state of coma.
Ans: reticular formation

Extract the answer to the question from the following context. Question: Of lab space and housing, which is part of the mixed use structure? Context: A second biotechnology district is being planned for the median strip on Frontage Road, on land cleared for the never-built Route 34 extension. As of late 2009, a Pfizer drug-testing clinic, a medical laboratory building serving Yale New Haven Hospital, and a mixed-use structure containing parking, housing and office space, have been constructed on this corridor. A former SNET telephone building at 300 George Street is being converted into lab space, and has been so far quite successful in attracting biotechnology and medical firms.
Ans: housing

Extract the answer to the question from the following context. Question: Who did the Company control? Context: The aggressive policies of Lord Wellesley and the Marquis of Hastings led to the Company gaining control of all India (except for the Punjab and Sindh), and some part of the then kingdom of Nepal under the Sugauli Treaty. The Indian Princes had become vassals of the Company. But the expense of wars leading to the total control of India strained the Company's finances. The Company was forced to petition Parliament for assistance. This was the background to the Charter Act of 1813 which, among other things:
Ans: Indian Princes

Extract the answer to the question from the following context. Question: The tribunal refused to rule on the legitimacy of what aspect of Harry's project? Context: It criticised Forsyth's decision to record a conversation with Harry as an abuse of teacherstudent confidentiality and said "It is clear whichever version of the evidence is accepted that Mr Burke did ask the claimant to assist Prince Harry with text for his expressive art project ... It is not part of this tribunal's function to determine whether or not it was legitimate." In response to the tribunal's ruling concerning the allegations about Prince Harry, the School issued a statement, saying Forsyth's claims "were dismissed for what they always have been - unfounded and irrelevant." A spokesperson from Clarence House said, "We are delighted that Harry has been totally cleared of cheating."
Ans: text