In medical studies, the efficacy of medical treatments (called interventions) is evaluated within a group of study participants. You will be given a sentence of a study report in which your task is to list the phrases that describe the intervention(s) of the study. You should list the phrase in the same order that they appear in the text, separated by commas. If no information about the interventions is mentioned, just answer with "not found". Interventions are: a specific drug, surgery, talking therapy, a lifestyle modification, control or placebo treatment. Do not include details, dosages, frequency and duration, intervention mentions that are not in an informative span of text.

Example Input: We investigated whether 13 participants with ASD ( age 7 ; 03-22 ; 03 ) and 13 age-matched typically developing ( TD ) controls could comprehend lexicalized conceptual metaphors ( e.g. , Susan is a warm person ) and novel ones ( e.g. , Susan is a toasty person ) .
Example Output: not found

Example Input: Assessment of acute bronchodilator effects from specific airway resistance changes in stable COPD patients .
Example Output: bronchodilator

Example Input: There were no significant differences in serum levels of cholesterol , total protein , lactate dehydrogenase , aspartate aminotransferase , alanine aminotransferase , Na⁺ , Cl⁻ , K⁺ , and Ca²⁺ .
Example Output:
not found

