def is_valid_team_comp(match):
    """
    Verify whether team comp is a valid one
    ie. solo top, solo mid, jungle, bot supp, bot carry
    """
    traditional_roles = ['BOTTOM_DUO_CARRY','BOTTOM_DUO_CARRY',
                 'BOTTOM_DUO_SUPPORT','BOTTOM_DUO_SUPPORT',
                 'JUNGLE_NONE','JUNGLE_NONE',
                 'MIDDLE_SOLO','MIDDLE_SOLO',
                 'TOP_SOLO','TOP_SOLO']
    roles = []
    for player in match['participants']:
        roles.append(match['participants'][player]['lane'] + '_' + 
                         match['participants'][player]['role'])
    
    roles.sort()
    if(roles == traditional_roles):
        return(True)
    else:
        return(False)